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/* |
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Copyright @ 1999-2003, The Institute for Genomic Research (TIGR). |
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All rights reserved. |
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*/ |
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/* |
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* $RCSfile: OneWayANOVA.java,v $ |
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* $Revision: 1.6 $ |
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* $Date: 2005/03/10 15:45:21 $ |
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* $Author: braistedj $ |
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* $State: Exp $ |
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*/ |
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package org.tigr.microarray.mev.cluster.algorithm.impl; |
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|
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import java.util.Random; |
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import java.util.Vector; |
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|
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import org.tigr.microarray.mev.cluster.Cluster; |
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import org.tigr.microarray.mev.cluster.Node; |
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import org.tigr.microarray.mev.cluster.NodeList; |
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import org.tigr.microarray.mev.cluster.NodeValue; |
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import org.tigr.microarray.mev.cluster.NodeValueList; |
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import org.tigr.microarray.mev.cluster.algorithm.AbortException; |
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import org.tigr.microarray.mev.cluster.algorithm.AbstractAlgorithm; |
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import org.tigr.microarray.mev.cluster.algorithm.AlgorithmData; |
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import org.tigr.microarray.mev.cluster.algorithm.AlgorithmEvent; |
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import org.tigr.microarray.mev.cluster.algorithm.AlgorithmException; |
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import org.tigr.microarray.mev.cluster.algorithm.AlgorithmParameters; |
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import org.tigr.microarray.mev.cluster.gui.impl.owa.OneWayANOVAInitBox; |
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import org.tigr.util.FloatMatrix; |
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import org.tigr.util.QSort; |
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|
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import JSci.maths.statistics.FDistribution; |
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|
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/** |
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* |
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* @author nbhagaba |
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* @version |
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*/ |
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public class OneWayANOVA extends AbstractAlgorithm { |
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|
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public static final int FALSE_NUM = 12; |
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public static final int FALSE_PROP = 13; |
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|
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private boolean stop = false; |
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|
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private int function; |
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private float factor; |
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private boolean absolute, calculateAdjFDRPVals; |
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private FloatMatrix expMatrix; |
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|
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private Vector[] clusters; |
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private int k; // # of clusters |
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|
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private int numGenes, numExps, numGroups; |
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private float alpha, falseProp; |
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private boolean usePerms, drawSigTreesOnly; |
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private int numPerms, falseNum; |
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private int correctionMethod; |
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int[] groupAssignments; |
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private double[] origPVals; |
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|
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float currentP = 0.0f; |
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//float currentF = 0.0f; |
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int currentIndex = 0; |
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double constant; |
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|
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AlgorithmEvent event; |
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|
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Vector fValuesVector = new Vector(); |
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Vector rawPValuesVector = new Vector(); |
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Vector adjPValuesVector = new Vector(); |
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//Vector pValuesVector = new Vector(); |
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Vector dfNumVector = new Vector(); |
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Vector dfDenomVector = new Vector(); |
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Vector ssGroupsVector = new Vector(); |
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Vector ssErrorVector = new Vector(); |
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private boolean[] isSig; |
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|
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private int hcl_function; |
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private boolean hcl_absolute; |
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|
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private boolean useFastFDRApprox = true; |
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|
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/** |
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* This method should interrupt the calculation. |
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*/ |
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public void abort() { |
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stop = true; |
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} |
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|
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/** |
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* This method execute calculation and return result, |
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* stored in <code>AlgorithmData</code> class. |
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* |
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* @param data the data to be calculated. |
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*/ |
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public AlgorithmData execute(AlgorithmData data) throws AlgorithmException { |
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groupAssignments = data.getIntArray("group-assignments"); |
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|
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AlgorithmParameters map = data.getParams(); |
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function = map.getInt("distance-function", EUCLIDEAN); |
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factor = map.getFloat("distance-factor", 1.0f); |
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absolute = map.getBoolean("distance-absolute", false); |
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usePerms = map.getBoolean("usePerms", false); |
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numPerms = map.getInt("numPerms", 0); |
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|
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hcl_function = map.getInt("hcl-distance-function", EUCLIDEAN); |
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hcl_absolute = map.getBoolean("hcl-distance-absolute", false); |
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|
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boolean hierarchical_tree = map.getBoolean("hierarchical-tree", false); |
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if (hierarchical_tree) { |
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drawSigTreesOnly = map.getBoolean("draw-sig-trees-only"); |
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} |
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int method_linkage = map.getInt("method-linkage", 0); |
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boolean calculate_genes = map.getBoolean("calculate-genes", false); |
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boolean calculate_experiments = map.getBoolean("calculate-experiments", false); |
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|
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this.expMatrix = data.getMatrix("experiment"); |
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|
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numGenes = this.expMatrix.getRowDimension(); |
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numExps = this.expMatrix.getColumnDimension(); |
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alpha = map.getFloat("alpha", 0.01f); |
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correctionMethod = map.getInt("correction-method", OneWayANOVAInitBox.JUST_ALPHA); |
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numGroups = map.getInt("numGroups", 3); |
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|
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calculateAdjFDRPVals = false; |
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|
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if (correctionMethod == FALSE_NUM) { |
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falseNum = map.getInt("falseNum", 10); |
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} |
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|
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if (correctionMethod == FALSE_PROP) { |
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falseProp = map.getFloat("falseProp", 0.05f); |
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} |
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|
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getFDfSSValues(); |
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if ((correctionMethod == FALSE_NUM) || (correctionMethod == FALSE_PROP)) { |
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rawPValuesVector = getRawPValuesFromFDist(); |
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origPVals = new double[rawPValuesVector.size()]; |
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for (int i = 0; i < origPVals.length; i++) { |
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origPVals[i] = ((Float)(rawPValuesVector.get(i))).doubleValue(); |
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} |
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adjPValuesVector = new Vector(); |
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for (int i = 0; i < origPVals.length; i++) { |
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adjPValuesVector.add(new Float(0f)); |
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} |
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} else { |
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if (!usePerms) { |
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rawPValuesVector = getRawPValuesFromFDist(); |
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} else { |
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rawPValuesVector = getRawPValsFromPerms(); |
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} |
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|
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} |
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|
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|
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//Vector clusterVector = sortGenesBySignificance(); |
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Vector clusterVector = new Vector(); |
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Vector sigGenes = new Vector(); |
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Vector nonSigGenes = new Vector(); |
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|
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if ( (correctionMethod == OneWayANOVA.FALSE_NUM) || (correctionMethod == OneWayANOVA.FALSE_PROP) ) { |
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boolean[] isGeneSig = new boolean[1]; |
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if (correctionMethod == OneWayANOVA.FALSE_NUM) { |
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isGeneSig = isGeneSigByFDRNum(); |
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} else { |
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isGeneSig = isGeneSigByFDRPropNew2(); |
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} |
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/* |
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if (!calculateAdjFDRPVals) { |
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adjustedPVals = new double[numGenes]; |
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} |
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*/ |
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//System.out.println("isGeneSig.length = " + isGeneSig.length); |
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for (int i = 0; i < numGenes; i++) { |
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if (isGeneSig[i]) { |
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sigGenes.add(new Integer(i)); |
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} else { |
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nonSigGenes.add(new Integer(i)); |
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} |
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} |
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|
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} else { |
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|
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adjPValuesVector = getAdjPVals(rawPValuesVector, correctionMethod); |
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event = new AlgorithmEvent(this, AlgorithmEvent.SET_UNITS, numGenes); |
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fireValueChanged(event); |
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event.setId(AlgorithmEvent.PROGRESS_VALUE); |
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|
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for (int i = 0; i < numGenes; i++) { |
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if (stop) { |
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throw new AbortException(); |
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} |
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event.setIntValue(i); |
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event.setDescription("Finding significant genes: Current gene = " + (i + 1)); |
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fireValueChanged(event); |
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|
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float currAdjP = ((Float)(adjPValuesVector.get(i))).floatValue(); |
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//System.out.println("currAdjP: gene" + i + " = " + currAdjP); |
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if (correctionMethod == OneWayANOVAInitBox.ADJ_BONFERRONI) {// because we have to break out of the loop if a non-sig value is encountered |
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if (isSig[i]) { |
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sigGenes.add(new Integer(i)); |
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} else { |
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nonSigGenes.add(new Integer(i)); |
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} |
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} else { |
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if (currAdjP <= alpha) { |
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sigGenes.add(new Integer(i)); |
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} else { |
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nonSigGenes.add(new Integer(i)); |
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} |
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} |
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} |
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} |
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|
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clusterVector.add(sigGenes); |
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clusterVector.add(nonSigGenes); |
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k = clusterVector.size(); |
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|
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FloatMatrix fValuesMatrix = new FloatMatrix(fValuesVector.size(), 1); |
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//FloatMatrix pValuesMatrix = new FloatMatrix(pValuesVector.size(), 1); |
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FloatMatrix rawPValuesMatrix = new FloatMatrix(rawPValuesVector.size(), 1); |
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FloatMatrix adjPValuesMatrix = new FloatMatrix(adjPValuesVector.size(), 1); |
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FloatMatrix dfNumMatrix = new FloatMatrix(numGenes, 1); |
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FloatMatrix dfDenomMatrix = new FloatMatrix(numGenes, 1); |
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|
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for (int i = 0; i < fValuesVector.size(); i++) { |
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fValuesMatrix.A[i][0] = ((Float)(fValuesVector.get(i))).floatValue(); |
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} |
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|
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for (int i = 0; i < rawPValuesVector.size(); i++) { |
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rawPValuesMatrix.A[i][0] = ((Float)(rawPValuesVector.get(i))).floatValue(); |
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adjPValuesMatrix.A[i][0] = ((Float)(adjPValuesVector.get(i))).floatValue(); |
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} |
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|
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for (int i = 0; i < numGenes; i++) { |
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//dfNumMatrix.A[i][0] = (float)(getDfNum(i)); |
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//dfDenomMatrix.A[i][0] = (float)(getDfDenom(i)); |
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dfNumMatrix.A[i][0] = ((Integer)(dfNumVector.get(i))).floatValue(); |
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dfDenomMatrix.A[i][0] = ((Integer)(dfDenomVector.get(i))).floatValue(); |
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if (dfNumMatrix.A[i][0] <= 0) dfNumMatrix.A[i][0] = Float.NaN; |
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if (dfDenomMatrix.A[i][0] <= 0) dfDenomMatrix.A[i][0] = Float.NaN; |
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} |
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|
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FloatMatrix ssGroupsMatrix = new FloatMatrix(numGenes, 1); |
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FloatMatrix ssErrorMatrix = new FloatMatrix(numGenes, 1); |
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|
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for (int i = 0; i < ssGroupsMatrix.getRowDimension(); i++) { |
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//float[] currentGene = getGene(i); |
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//constant = getConstant(currentGene); |
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/* |
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if (i == 11) { |
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System.out.println("Gene A3: groupsSS = " + getGroupsSS(currentGene)); |
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} |
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*/ |
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ssGroupsMatrix.A[i][0] = ((Double)(ssGroupsVector.get(i))).floatValue();//(float)(getGroupsSS(currentGene)); |
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/* |
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if (i == 11) { |
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System.out.println("Gene A3: ssGroupsMatrix.A[11][0] = " + ssGroupsMatrix.A[i][0]); |
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} |
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*/ |
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ssErrorMatrix.A[i][0] = ((Double)(ssErrorVector.get(i))).floatValue();//(float)(getTotalSS(currentGene) - getGroupsSS(currentGene)); |
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} |
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|
2 |
26 Feb 07 |
jari |
266 |
clusters = new Vector[k]; |
2 |
26 Feb 07 |
jari |
267 |
|
2 |
26 Feb 07 |
jari |
268 |
for (int i = 0; i < k; i++) { |
2 |
26 Feb 07 |
jari |
269 |
clusters[i] = (Vector)(clusterVector.get(i)); |
2 |
26 Feb 07 |
jari |
270 |
} |
2 |
26 Feb 07 |
jari |
271 |
|
2 |
26 Feb 07 |
jari |
272 |
FloatMatrix means = getMeans(clusters); |
2 |
26 Feb 07 |
jari |
273 |
FloatMatrix variances = getVariances(clusters, means); |
2 |
26 Feb 07 |
jari |
274 |
|
2 |
26 Feb 07 |
jari |
275 |
AlgorithmEvent event = null; |
2 |
26 Feb 07 |
jari |
276 |
if (hierarchical_tree) { |
2 |
26 Feb 07 |
jari |
277 |
event = new AlgorithmEvent(this, AlgorithmEvent.SET_UNITS, clusters.length, "Calculate Hierarchical Trees"); |
2 |
26 Feb 07 |
jari |
278 |
fireValueChanged(event); |
2 |
26 Feb 07 |
jari |
279 |
event.setIntValue(0); |
2 |
26 Feb 07 |
jari |
280 |
event.setId(AlgorithmEvent.PROGRESS_VALUE); |
2 |
26 Feb 07 |
jari |
281 |
fireValueChanged(event); |
2 |
26 Feb 07 |
jari |
282 |
} |
2 |
26 Feb 07 |
jari |
283 |
|
2 |
26 Feb 07 |
jari |
284 |
Cluster result_cluster = new Cluster(); |
2 |
26 Feb 07 |
jari |
285 |
NodeList nodeList = result_cluster.getNodeList(); |
2 |
26 Feb 07 |
jari |
286 |
int[] features; |
2 |
26 Feb 07 |
jari |
287 |
for (int i=0; i<clusters.length; i++) { |
2 |
26 Feb 07 |
jari |
288 |
if (stop) { |
2 |
26 Feb 07 |
jari |
289 |
throw new AbortException(); |
2 |
26 Feb 07 |
jari |
290 |
} |
2 |
26 Feb 07 |
jari |
291 |
features = convert2int(clusters[i]); |
2 |
26 Feb 07 |
jari |
292 |
Node node = new Node(features); |
2 |
26 Feb 07 |
jari |
293 |
nodeList.addNode(node); |
2 |
26 Feb 07 |
jari |
294 |
if (hierarchical_tree) { |
2 |
26 Feb 07 |
jari |
295 |
if (drawSigTreesOnly) { |
2 |
26 Feb 07 |
jari |
296 |
if (i == 0) { |
2 |
26 Feb 07 |
jari |
297 |
node.setValues(calculateHierarchicalTree(features, method_linkage, calculate_genes, calculate_experiments)); |
2 |
26 Feb 07 |
jari |
298 |
event.setIntValue(i+1); |
2 |
26 Feb 07 |
jari |
299 |
fireValueChanged(event); |
2 |
26 Feb 07 |
jari |
300 |
} |
2 |
26 Feb 07 |
jari |
301 |
} else { |
2 |
26 Feb 07 |
jari |
302 |
node.setValues(calculateHierarchicalTree(features, method_linkage, calculate_genes, calculate_experiments)); |
2 |
26 Feb 07 |
jari |
303 |
event.setIntValue(i+1); |
2 |
26 Feb 07 |
jari |
304 |
fireValueChanged(event); |
2 |
26 Feb 07 |
jari |
305 |
} |
2 |
26 Feb 07 |
jari |
306 |
} |
2 |
26 Feb 07 |
jari |
307 |
} |
2 |
26 Feb 07 |
jari |
308 |
|
2 |
26 Feb 07 |
jari |
// prepare the result |
2 |
26 Feb 07 |
jari |
310 |
AlgorithmData result = new AlgorithmData(); |
2 |
26 Feb 07 |
jari |
311 |
result.addCluster("cluster", result_cluster); |
2 |
26 Feb 07 |
jari |
312 |
result.addParam("number-of-clusters", String.valueOf(clusters.length)); |
2 |
26 Feb 07 |
jari |
313 |
result.addMatrix("clusters_means", means); |
2 |
26 Feb 07 |
jari |
314 |
result.addMatrix("clusters_variances", variances); |
2 |
26 Feb 07 |
jari |
//result.addMatrix("pValues", pValuesMatrix); |
2 |
26 Feb 07 |
jari |
316 |
result.addMatrix("rawPValues", rawPValuesMatrix); |
2 |
26 Feb 07 |
jari |
317 |
result.addMatrix("adjPValues", adjPValuesMatrix); |
2 |
26 Feb 07 |
jari |
318 |
result.addMatrix("fValues", fValuesMatrix); |
2 |
26 Feb 07 |
jari |
319 |
result.addMatrix("dfNumMatrix", dfNumMatrix); |
2 |
26 Feb 07 |
jari |
320 |
result.addMatrix("dfDenomMatrix", dfDenomMatrix); |
2 |
26 Feb 07 |
jari |
321 |
result.addMatrix("ssGroupsMatrix", ssGroupsMatrix); |
2 |
26 Feb 07 |
jari |
322 |
result.addMatrix("ssErrorMatrix", ssErrorMatrix); |
2 |
26 Feb 07 |
jari |
323 |
result.addMatrix("geneGroupMeansMatrix", getAllGeneGroupMeans()); |
2 |
26 Feb 07 |
jari |
324 |
result.addMatrix("geneGroupSDsMatrix", getAllGeneGroupSDs()); |
2 |
26 Feb 07 |
jari |
325 |
return result; |
2 |
26 Feb 07 |
jari |
//return null; //for now |
2 |
26 Feb 07 |
jari |
327 |
} |
2 |
26 Feb 07 |
jari |
328 |
|
2 |
26 Feb 07 |
jari |
329 |
private NodeValueList calculateHierarchicalTree(int[] features, int method, boolean genes, boolean experiments) throws AlgorithmException { |
2 |
26 Feb 07 |
jari |
330 |
NodeValueList nodeList = new NodeValueList(); |
2 |
26 Feb 07 |
jari |
331 |
AlgorithmData data = new AlgorithmData(); |
2 |
26 Feb 07 |
jari |
332 |
FloatMatrix experiment = getSubExperiment(this.expMatrix, features); |
2 |
26 Feb 07 |
jari |
333 |
data.addMatrix("experiment", experiment); |
2 |
26 Feb 07 |
jari |
334 |
data.addParam("hcl-distance-function", String.valueOf(this.hcl_function)); |
2 |
26 Feb 07 |
jari |
335 |
data.addParam("hcl-distance-absolute", String.valueOf(this.hcl_absolute)); |
2 |
26 Feb 07 |
jari |
336 |
data.addParam("method-linkage", String.valueOf(method)); |
2 |
26 Feb 07 |
jari |
337 |
HCL hcl = new HCL(); |
2 |
26 Feb 07 |
jari |
338 |
AlgorithmData result; |
2 |
26 Feb 07 |
jari |
339 |
if (genes) { |
2 |
26 Feb 07 |
jari |
340 |
data.addParam("calculate-genes", String.valueOf(true)); |
2 |
26 Feb 07 |
jari |
341 |
result = hcl.execute(data); |
2 |
26 Feb 07 |
jari |
342 |
validate(result); |
2 |
26 Feb 07 |
jari |
343 |
addNodeValues(nodeList, result); |
2 |
26 Feb 07 |
jari |
344 |
} |
2 |
26 Feb 07 |
jari |
345 |
if (experiments) { |
2 |
26 Feb 07 |
jari |
346 |
data.addParam("calculate-genes", String.valueOf(false)); |
2 |
26 Feb 07 |
jari |
347 |
result = hcl.execute(data); |
2 |
26 Feb 07 |
jari |
348 |
validate(result); |
2 |
26 Feb 07 |
jari |
349 |
addNodeValues(nodeList, result); |
2 |
26 Feb 07 |
jari |
350 |
} |
2 |
26 Feb 07 |
jari |
351 |
return nodeList; |
2 |
26 Feb 07 |
jari |
352 |
} |
2 |
26 Feb 07 |
jari |
353 |
|
2 |
26 Feb 07 |
jari |
354 |
private void addNodeValues(NodeValueList target_list, AlgorithmData source_result) { |
2 |
26 Feb 07 |
jari |
355 |
target_list.addNodeValue(new NodeValue("child-1-array", source_result.getIntArray("child-1-array"))); |
2 |
26 Feb 07 |
jari |
356 |
target_list.addNodeValue(new NodeValue("child-2-array", source_result.getIntArray("child-2-array"))); |
2 |
26 Feb 07 |
jari |
357 |
target_list.addNodeValue(new NodeValue("node-order", source_result.getIntArray("node-order"))); |
2 |
26 Feb 07 |
jari |
358 |
target_list.addNodeValue(new NodeValue("height", source_result.getMatrix("height").getRowPackedCopy())); |
2 |
26 Feb 07 |
jari |
359 |
} |
2 |
26 Feb 07 |
jari |
360 |
|
2 |
26 Feb 07 |
jari |
361 |
private FloatMatrix getSubExperiment(FloatMatrix experiment, int[] features) { |
2 |
26 Feb 07 |
jari |
362 |
FloatMatrix subExperiment = new FloatMatrix(features.length, experiment.getColumnDimension()); |
2 |
26 Feb 07 |
jari |
363 |
for (int i=0; i<features.length; i++) { |
2 |
26 Feb 07 |
jari |
364 |
subExperiment.A[i] = experiment.A[features[i]]; |
2 |
26 Feb 07 |
jari |
365 |
} |
2 |
26 Feb 07 |
jari |
366 |
return subExperiment; |
2 |
26 Feb 07 |
jari |
367 |
} |
2 |
26 Feb 07 |
jari |
368 |
|
2 |
26 Feb 07 |
jari |
369 |
/** |
2 |
26 Feb 07 |
jari |
* Checking the result of hcl algorithm calculation. |
2 |
26 Feb 07 |
jari |
* @throws AlgorithmException, if the result is incorrect. |
2 |
26 Feb 07 |
jari |
372 |
*/ |
2 |
26 Feb 07 |
jari |
373 |
private void validate(AlgorithmData result) throws AlgorithmException { |
2 |
26 Feb 07 |
jari |
374 |
if (result.getIntArray("child-1-array") == null) { |
2 |
26 Feb 07 |
jari |
375 |
throw new AlgorithmException("parameter 'child-1-array' is null"); |
2 |
26 Feb 07 |
jari |
376 |
} |
2 |
26 Feb 07 |
jari |
377 |
if (result.getIntArray("child-2-array") == null) { |
2 |
26 Feb 07 |
jari |
378 |
throw new AlgorithmException("parameter 'child-2-array' is null"); |
2 |
26 Feb 07 |
jari |
379 |
} |
2 |
26 Feb 07 |
jari |
380 |
if (result.getIntArray("node-order") == null) { |
2 |
26 Feb 07 |
jari |
381 |
throw new AlgorithmException("parameter 'node-order' is null"); |
2 |
26 Feb 07 |
jari |
382 |
} |
2 |
26 Feb 07 |
jari |
383 |
if (result.getMatrix("height") == null) { |
2 |
26 Feb 07 |
jari |
384 |
throw new AlgorithmException("parameter 'height' is null"); |
2 |
26 Feb 07 |
jari |
385 |
} |
2 |
26 Feb 07 |
jari |
386 |
} |
2 |
26 Feb 07 |
jari |
387 |
|
2 |
26 Feb 07 |
jari |
388 |
private int[] convert2int(Vector source) { |
2 |
26 Feb 07 |
jari |
389 |
int[] int_matrix = new int[source.size()]; |
2 |
26 Feb 07 |
jari |
390 |
for (int i=0; i<int_matrix.length; i++) { |
2 |
26 Feb 07 |
jari |
391 |
int_matrix[i] = (int)((Integer)source.get(i)).intValue(); |
2 |
26 Feb 07 |
jari |
392 |
} |
2 |
26 Feb 07 |
jari |
393 |
return int_matrix; |
2 |
26 Feb 07 |
jari |
394 |
} |
2 |
26 Feb 07 |
jari |
395 |
|
2 |
26 Feb 07 |
jari |
396 |
private FloatMatrix getMeans(Vector[] clusters) { |
2 |
26 Feb 07 |
jari |
397 |
FloatMatrix means = new FloatMatrix(clusters.length, numExps); |
2 |
26 Feb 07 |
jari |
398 |
FloatMatrix mean; |
2 |
26 Feb 07 |
jari |
399 |
for (int i=0; i<clusters.length; i++) { |
2 |
26 Feb 07 |
jari |
400 |
mean = getMean(clusters[i]); |
2 |
26 Feb 07 |
jari |
401 |
means.A[i] = mean.A[0]; |
2 |
26 Feb 07 |
jari |
402 |
} |
2 |
26 Feb 07 |
jari |
403 |
return means; |
2 |
26 Feb 07 |
jari |
404 |
} |
2 |
26 Feb 07 |
jari |
405 |
|
2 |
26 Feb 07 |
jari |
406 |
private FloatMatrix getMean(Vector cluster) { |
2 |
26 Feb 07 |
jari |
407 |
FloatMatrix mean = new FloatMatrix(1, numExps); |
2 |
26 Feb 07 |
jari |
408 |
float currentMean; |
2 |
26 Feb 07 |
jari |
409 |
int n = cluster.size(); |
2 |
26 Feb 07 |
jari |
410 |
int denom = 0; |
2 |
26 Feb 07 |
jari |
411 |
float value; |
2 |
26 Feb 07 |
jari |
412 |
for (int i=0; i<numExps; i++) { |
2 |
26 Feb 07 |
jari |
413 |
currentMean = 0f; |
2 |
26 Feb 07 |
jari |
414 |
denom = 0; |
2 |
26 Feb 07 |
jari |
415 |
for (int j=0; j<n; j++) { |
2 |
26 Feb 07 |
jari |
416 |
value = expMatrix.get(((Integer) cluster.get(j)).intValue(), i); |
2 |
26 Feb 07 |
jari |
417 |
if (!Float.isNaN(value)) { |
2 |
26 Feb 07 |
jari |
418 |
currentMean += value; |
2 |
26 Feb 07 |
jari |
419 |
denom++; |
2 |
26 Feb 07 |
jari |
420 |
} |
2 |
26 Feb 07 |
jari |
421 |
} |
2 |
26 Feb 07 |
jari |
422 |
mean.set(0, i, currentMean/(float)denom); |
2 |
26 Feb 07 |
jari |
423 |
} |
2 |
26 Feb 07 |
jari |
424 |
|
2 |
26 Feb 07 |
jari |
425 |
return mean; |
2 |
26 Feb 07 |
jari |
426 |
} |
2 |
26 Feb 07 |
jari |
427 |
|
2 |
26 Feb 07 |
jari |
428 |
private FloatMatrix getVariances(Vector[] clusters, FloatMatrix means) { |
2 |
26 Feb 07 |
jari |
429 |
final int rows = means.getRowDimension(); |
2 |
26 Feb 07 |
jari |
430 |
final int columns = means.getColumnDimension(); |
2 |
26 Feb 07 |
jari |
431 |
FloatMatrix variances = new FloatMatrix(rows, columns); |
2 |
26 Feb 07 |
jari |
432 |
for (int row=0; row<rows; row++) { |
2 |
26 Feb 07 |
jari |
433 |
for (int column=0; column<columns; column++) { |
2 |
26 Feb 07 |
jari |
434 |
variances.set(row, column, getSampleVariance(clusters[row], column, means.get(row, column))); |
2 |
26 Feb 07 |
jari |
435 |
} |
2 |
26 Feb 07 |
jari |
436 |
} |
2 |
26 Feb 07 |
jari |
437 |
return variances; |
2 |
26 Feb 07 |
jari |
438 |
} |
2 |
26 Feb 07 |
jari |
439 |
|
2 |
26 Feb 07 |
jari |
440 |
int validN; |
2 |
26 Feb 07 |
jari |
441 |
|
2 |
26 Feb 07 |
jari |
442 |
private float getSampleNormalizedSum(Vector cluster, int column, float mean) { |
2 |
26 Feb 07 |
jari |
443 |
final int size = cluster.size(); |
2 |
26 Feb 07 |
jari |
444 |
float sum = 0f; |
2 |
26 Feb 07 |
jari |
445 |
float value; |
2 |
26 Feb 07 |
jari |
446 |
validN = 0; |
2 |
26 Feb 07 |
jari |
447 |
for (int i=0; i<size; i++) { |
2 |
26 Feb 07 |
jari |
448 |
value = expMatrix.get(((Integer) cluster.get(i)).intValue(), column); |
2 |
26 Feb 07 |
jari |
449 |
if (!Float.isNaN(value)) { |
2 |
26 Feb 07 |
jari |
450 |
sum += Math.pow(value-mean, 2); |
2 |
26 Feb 07 |
jari |
451 |
validN++; |
2 |
26 Feb 07 |
jari |
452 |
} |
2 |
26 Feb 07 |
jari |
453 |
} |
2 |
26 Feb 07 |
jari |
454 |
return sum; |
2 |
26 Feb 07 |
jari |
455 |
} |
2 |
26 Feb 07 |
jari |
456 |
|
2 |
26 Feb 07 |
jari |
457 |
private float getSampleVariance(Vector cluster, int column, float mean) { |
2 |
26 Feb 07 |
jari |
458 |
return(float)Math.sqrt(getSampleNormalizedSum(cluster, column, mean)/(float)(validN-1)); |
2 |
26 Feb 07 |
jari |
459 |
|
2 |
26 Feb 07 |
jari |
460 |
} |
2 |
26 Feb 07 |
jari |
461 |
|
2 |
26 Feb 07 |
jari |
462 |
private boolean[] isGeneSigByFDRPropNew2() throws AlgorithmException { |
2 |
26 Feb 07 |
jari |
463 |
double[] nonNanPVals = new double[origPVals.length]; |
2 |
26 Feb 07 |
jari |
464 |
for (int i = 0; i < origPVals.length; i++) { //gets rid of NaN's for sorting |
2 |
26 Feb 07 |
jari |
465 |
if (Double.isNaN(origPVals[i])) { |
2 |
26 Feb 07 |
jari |
466 |
nonNanPVals[i] = Double.POSITIVE_INFINITY; |
2 |
26 Feb 07 |
jari |
467 |
} else { |
2 |
26 Feb 07 |
jari |
468 |
nonNanPVals[i] = origPVals[i]; |
2 |
26 Feb 07 |
jari |
469 |
} |
2 |
26 Feb 07 |
jari |
470 |
} |
2 |
26 Feb 07 |
jari |
471 |
|
2 |
26 Feb 07 |
jari |
472 |
QSort sortOrigPVals = new QSort(nonNanPVals, QSort.ASCENDING); |
2 |
26 Feb 07 |
jari |
473 |
double[] sortedOrigPVals = sortOrigPVals.getSortedDouble(); |
2 |
26 Feb 07 |
jari |
474 |
int[] sortedIndices = sortOrigPVals.getOrigIndx(); |
2 |
26 Feb 07 |
jari |
475 |
boolean[] isGeneSig = new boolean[numGenes]; |
2 |
26 Feb 07 |
jari |
476 |
for (int i = 0; i < isGeneSig.length; i++) { |
2 |
26 Feb 07 |
jari |
477 |
isGeneSig[i] = false; |
2 |
26 Feb 07 |
jari |
478 |
} |
2 |
26 Feb 07 |
jari |
479 |
|
2 |
26 Feb 07 |
jari |
480 |
double[] yKArray = getYKArray(); |
2 |
26 Feb 07 |
jari |
481 |
|
2 |
26 Feb 07 |
jari |
482 |
if (sortedOrigPVals[0] >= yKArray[0]) { |
2 |
26 Feb 07 |
jari |
483 |
return isGeneSig; |
2 |
26 Feb 07 |
jari |
484 |
|
2 |
26 Feb 07 |
jari |
485 |
} else { |
2 |
26 Feb 07 |
jari |
486 |
isGeneSig[sortedIndices[0]] = true; |
2 |
26 Feb 07 |
jari |
487 |
if (useFastFDRApprox) { |
2 |
26 Feb 07 |
jari |
488 |
|
2 |
26 Feb 07 |
jari |
489 |
for (int i = 1; i < sortedOrigPVals.length; i++) { |
2 |
26 Feb 07 |
jari |
490 |
int rGamma = (int)(Math.floor((i+1)*falseProp)); |
2 |
26 Feb 07 |
jari |
491 |
int rMinusOneGamma = (int)(Math.floor(i*falseProp)); |
2 |
26 Feb 07 |
jari |
492 |
double yKRGamma = yKArray[rGamma]; |
2 |
26 Feb 07 |
jari |
//System.out.println("rGamma = " + rGamma + ", (r - 1)Gamma = " + rMinusOneGamma + ", yKRGamma = " + yKRGamma); |
2 |
26 Feb 07 |
jari |
494 |
if ((rGamma > rMinusOneGamma) || (sortedOrigPVals[i] < yKRGamma)) { |
2 |
26 Feb 07 |
jari |
495 |
isGeneSig[sortedIndices[i]] = true; |
2 |
26 Feb 07 |
jari |
496 |
} else { |
2 |
26 Feb 07 |
jari |
497 |
break; |
2 |
26 Feb 07 |
jari |
498 |
} |
2 |
26 Feb 07 |
jari |
499 |
} |
2 |
26 Feb 07 |
jari |
500 |
|
2 |
26 Feb 07 |
jari |
501 |
} |
2 |
26 Feb 07 |
jari |
502 |
} |
2 |
26 Feb 07 |
jari |
503 |
|
2 |
26 Feb 07 |
jari |
504 |
return isGeneSig; |
2 |
26 Feb 07 |
jari |
505 |
} |
2 |
26 Feb 07 |
jari |
506 |
|
2 |
26 Feb 07 |
jari |
507 |
private double[] getYKArray() throws AlgorithmException { |
2 |
26 Feb 07 |
jari |
508 |
AlgorithmEvent event2 = new AlgorithmEvent(this, AlgorithmEvent.SET_UNITS, numPerms); |
2 |
26 Feb 07 |
jari |
509 |
fireValueChanged(event2); |
2 |
26 Feb 07 |
jari |
510 |
event2.setId(AlgorithmEvent.PROGRESS_VALUE); |
2 |
26 Feb 07 |
jari |
511 |
int maxRGamma = (int)(Math.floor(numGenes*falseProp)); |
2 |
26 Feb 07 |
jari |
512 |
double[][] pValArray =new double[maxRGamma + 1][numPerms]; |
2 |
26 Feb 07 |
jari |
513 |
|
2 |
26 Feb 07 |
jari |
514 |
Vector validExpts = new Vector(); |
2 |
26 Feb 07 |
jari |
515 |
for (int i = 0; i < groupAssignments.length; i++) { |
2 |
26 Feb 07 |
jari |
516 |
if (groupAssignments[i] != 0) validExpts.add(new Integer(i)); |
2 |
26 Feb 07 |
jari |
517 |
} |
2 |
26 Feb 07 |
jari |
518 |
|
2 |
26 Feb 07 |
jari |
519 |
int[] validArray = new int[validExpts.size()]; |
2 |
26 Feb 07 |
jari |
520 |
for (int j = 0; j < validArray.length; j++) { |
2 |
26 Feb 07 |
jari |
521 |
validArray[j] = ((Integer)(validExpts.get(j))).intValue(); |
2 |
26 Feb 07 |
jari |
522 |
} |
2 |
26 Feb 07 |
jari |
523 |
|
2 |
26 Feb 07 |
jari |
524 |
for (int i = 0; i < numPerms; i++) { |
2 |
26 Feb 07 |
jari |
525 |
if (stop) { |
2 |
26 Feb 07 |
jari |
526 |
throw new AbortException(); |
2 |
26 Feb 07 |
jari |
527 |
} |
2 |
26 Feb 07 |
jari |
528 |
event2.setIntValue(i); |
2 |
26 Feb 07 |
jari |
529 |
event2.setDescription("Permuting matrix: Current permutation = " + (i + 1)); |
2 |
26 Feb 07 |
jari |
530 |
fireValueChanged(event2); |
2 |
26 Feb 07 |
jari |
531 |
int[] permutedExpts = getPermutedValues(numExps, validArray); |
2 |
26 Feb 07 |
jari |
532 |
FloatMatrix permutedMatrix = getPermutedMatrix(expMatrix, permutedExpts); |
2 |
26 Feb 07 |
jari |
533 |
float[] currPermFVals = getPermutedFVals(permutedMatrix); |
2 |
26 Feb 07 |
jari |
534 |
int[][] dfs = getDfs(permutedMatrix); |
2 |
26 Feb 07 |
jari |
535 |
double[] currPermPVals = getParametricPVals(currPermFVals, dfs[0], dfs[1]); |
2 |
26 Feb 07 |
jari |
536 |
|
2 |
26 Feb 07 |
jari |
537 |
for (int j = 0; j < currPermPVals.length; j++) { |
2 |
26 Feb 07 |
jari |
538 |
if (Double.isNaN(currPermPVals[j])) currPermPVals[j] = Double.POSITIVE_INFINITY; |
2 |
26 Feb 07 |
jari |
// this is to push NaNs to the end of the sorted array, since otherwise they would mess up quantile calculations |
2 |
26 Feb 07 |
jari |
540 |
} |
2 |
26 Feb 07 |
jari |
541 |
|
2 |
26 Feb 07 |
jari |
542 |
QSort sortCurrPVals = new QSort(currPermPVals, QSort.ASCENDING); |
2 |
26 Feb 07 |
jari |
543 |
double[] sortedCurrPVals = sortCurrPVals.getSortedDouble(); |
2 |
26 Feb 07 |
jari |
//uPlusOneSmallestPVector.add(new Double(sortedCurrPVals[u])); |
2 |
26 Feb 07 |
jari |
545 |
for (int j = 0; j < pValArray.length; j++) { |
2 |
26 Feb 07 |
jari |
546 |
pValArray[j][i] = sortedCurrPVals[j]; |
2 |
26 Feb 07 |
jari |
547 |
} |
2 |
26 Feb 07 |
jari |
548 |
} |
2 |
26 Feb 07 |
jari |
549 |
|
2 |
26 Feb 07 |
jari |
550 |
double[] yKArray = new double[pValArray.length]; |
2 |
26 Feb 07 |
jari |
551 |
|
2 |
26 Feb 07 |
jari |
552 |
for (int i = 0; i < pValArray.length; i++) { |
2 |
26 Feb 07 |
jari |
553 |
double[] currRow = new double[pValArray[i].length]; |
2 |
26 Feb 07 |
jari |
554 |
|
2 |
26 Feb 07 |
jari |
555 |
for (int j = 0; j < currRow.length; j++) { |
2 |
26 Feb 07 |
jari |
556 |
currRow[j] = pValArray[i][j]; |
2 |
26 Feb 07 |
jari |
557 |
} |
2 |
26 Feb 07 |
jari |
558 |
|
2 |
26 Feb 07 |
jari |
559 |
for (int j = 0; j < currRow.length; j++) { |
2 |
26 Feb 07 |
jari |
560 |
if (Double.isNaN(currRow[j])) currRow[j] = Double.POSITIVE_INFINITY; |
2 |
26 Feb 07 |
jari |
// this is to push NaNs to the end of the sorted array, since otherwise they would mess up quantile calculations |
2 |
26 Feb 07 |
jari |
562 |
} |
2 |
26 Feb 07 |
jari |
563 |
|
2 |
26 Feb 07 |
jari |
564 |
QSort sortCurrRow = new QSort(currRow, QSort.ASCENDING); |
2 |
26 Feb 07 |
jari |
565 |
double[] sortedCurrRow = sortCurrRow.getSortedDouble(); |
2 |
26 Feb 07 |
jari |
566 |
int selectedIndex = (int)Math.floor(sortedCurrRow.length*alpha) - 1; |
2 |
26 Feb 07 |
jari |
567 |
if (selectedIndex < 0) selectedIndex = 0; |
2 |
26 Feb 07 |
jari |
568 |
yKArray[i] = sortedCurrRow[selectedIndex]; |
2 |
26 Feb 07 |
jari |
//System.out.println("i= " + i + ", selectedIndex = " + selectedIndex + ", yKArray[i] = " + yKArray[i]); |
2 |
26 Feb 07 |
jari |
570 |
} |
2 |
26 Feb 07 |
jari |
571 |
|
2 |
26 Feb 07 |
jari |
572 |
return yKArray; |
2 |
26 Feb 07 |
jari |
573 |
} |
2 |
26 Feb 07 |
jari |
574 |
|
2 |
26 Feb 07 |
jari |
575 |
private boolean[] isGeneSigByFDRNum() throws AlgorithmException { |
2 |
26 Feb 07 |
jari |
576 |
double[] nonNanPVals = new double[origPVals.length]; |
2 |
26 Feb 07 |
jari |
577 |
for (int i = 0; i < origPVals.length; i++) { //gets rid of NaN's for sorting |
2 |
26 Feb 07 |
jari |
578 |
if (Double.isNaN(origPVals[i])) { |
2 |
26 Feb 07 |
jari |
579 |
nonNanPVals[i] = Double.POSITIVE_INFINITY; |
2 |
26 Feb 07 |
jari |
580 |
} else { |
2 |
26 Feb 07 |
jari |
581 |
nonNanPVals[i] = origPVals[i]; |
2 |
26 Feb 07 |
jari |
582 |
} |
2 |
26 Feb 07 |
jari |
583 |
} |
2 |
26 Feb 07 |
jari |
584 |
QSort sortOrigPVals = new QSort(nonNanPVals, QSort.ASCENDING); |
2 |
26 Feb 07 |
jari |
585 |
double[] sortedOrigPVals = sortOrigPVals.getSortedDouble(); |
2 |
26 Feb 07 |
jari |
586 |
int[] sortedIndices = sortOrigPVals.getOrigIndx(); |
2 |
26 Feb 07 |
jari |
587 |
boolean[] isGeneSig = new boolean[numGenes]; |
2 |
26 Feb 07 |
jari |
588 |
for (int i = 0; i < isGeneSig.length; i++) { |
2 |
26 Feb 07 |
jari |
589 |
isGeneSig[i] = false; |
2 |
26 Feb 07 |
jari |
590 |
} |
2 |
26 Feb 07 |
jari |
591 |
for (int i = 0; i < falseNum; i++) { |
2 |
26 Feb 07 |
jari |
592 |
isGeneSig[sortedIndices[i]] = true; |
2 |
26 Feb 07 |
jari |
593 |
} |
2 |
26 Feb 07 |
jari |
594 |
if (useFastFDRApprox) { |
2 |
26 Feb 07 |
jari |
595 |
double yK = getYConservative(alpha, falseNum); |
2 |
26 Feb 07 |
jari |
//System.out.println("yK = " + yK); |
2 |
26 Feb 07 |
jari |
597 |
for (int i = falseNum; i < sortedOrigPVals.length; i++) { |
2 |
26 Feb 07 |
jari |
598 |
if (sortedOrigPVals[i] < yK) { |
2 |
26 Feb 07 |
jari |
599 |
isGeneSig[sortedIndices[i]] = true; |
2 |
26 Feb 07 |
jari |
600 |
} else { |
2 |
26 Feb 07 |
jari |
601 |
break; |
2 |
26 Feb 07 |
jari |
602 |
} |
2 |
26 Feb 07 |
jari |
603 |
} |
2 |
26 Feb 07 |
jari |
604 |
|
2 |
26 Feb 07 |
jari |
605 |
} else {// if (!useFastFDRAprpox) |
2 |
26 Feb 07 |
jari |
606 |
for (int i = falseNum; i < origPVals.length; i++) { |
2 |
26 Feb 07 |
jari |
607 |
|
2 |
26 Feb 07 |
jari |
608 |
} |
2 |
26 Feb 07 |
jari |
609 |
} |
2 |
26 Feb 07 |
jari |
//return null; //for now |
2 |
26 Feb 07 |
jari |
611 |
return isGeneSig; |
2 |
26 Feb 07 |
jari |
612 |
} |
2 |
26 Feb 07 |
jari |
613 |
|
2 |
26 Feb 07 |
jari |
614 |
|
2 |
26 Feb 07 |
jari |
615 |
private double getYConservative(double alphaQuantile, int u) throws AlgorithmException { |
2 |
26 Feb 07 |
jari |
616 |
AlgorithmEvent event2 = new AlgorithmEvent(this, AlgorithmEvent.SET_UNITS, numPerms); |
2 |
26 Feb 07 |
jari |
617 |
fireValueChanged(event2); |
2 |
26 Feb 07 |
jari |
618 |
event2.setId(AlgorithmEvent.PROGRESS_VALUE); |
2 |
26 Feb 07 |
jari |
619 |
Vector uPlusOneSmallestPVector = new Vector(); |
2 |
26 Feb 07 |
jari |
620 |
|
2 |
26 Feb 07 |
jari |
621 |
Vector validExpts = new Vector(); |
2 |
26 Feb 07 |
jari |
622 |
for (int i = 0; i < groupAssignments.length; i++) { |
2 |
26 Feb 07 |
jari |
623 |
if (groupAssignments[i] != 0) validExpts.add(new Integer(i)); |
2 |
26 Feb 07 |
jari |
624 |
} |
2 |
26 Feb 07 |
jari |
625 |
|
2 |
26 Feb 07 |
jari |
626 |
int[] validArray = new int[validExpts.size()]; |
2 |
26 Feb 07 |
jari |
627 |
for (int j = 0; j < validArray.length; j++) { |
2 |
26 Feb 07 |
jari |
628 |
validArray[j] = ((Integer)(validExpts.get(j))).intValue(); |
2 |
26 Feb 07 |
jari |
629 |
} |
2 |
26 Feb 07 |
jari |
630 |
for (int i = 0; i < numPerms; i++) { |
2 |
26 Feb 07 |
jari |
631 |
if (stop) { |
2 |
26 Feb 07 |
jari |
632 |
throw new AbortException(); |
2 |
26 Feb 07 |
jari |
633 |
} |
2 |
26 Feb 07 |
jari |
634 |
event.setIntValue(i); |
2 |
26 Feb 07 |
jari |
635 |
event.setDescription("Permuting matrix: Current permutation = " + (i + 1)); |
2 |
26 Feb 07 |
jari |
636 |
fireValueChanged(event); |
2 |
26 Feb 07 |
jari |
637 |
int[] permutedExpts = getPermutedValues(numExps, validArray); |
2 |
26 Feb 07 |
jari |
638 |
FloatMatrix permutedMatrix = getPermutedMatrix(expMatrix, permutedExpts); |
2 |
26 Feb 07 |
jari |
639 |
float[] currPermFVals = getPermutedFVals(permutedMatrix); |
2 |
26 Feb 07 |
jari |
640 |
int[][] dfs = getDfs(permutedMatrix); |
2 |
26 Feb 07 |
jari |
641 |
double[] currPermPVals = getParametricPVals(currPermFVals, dfs[0], dfs[1]); |
2 |
26 Feb 07 |
jari |
642 |
|
2 |
26 Feb 07 |
jari |
643 |
for (int j = 0; j < currPermPVals.length; j++) { |
2 |
26 Feb 07 |
jari |
644 |
if (Double.isNaN(currPermPVals[j])) currPermPVals[j] = Double.POSITIVE_INFINITY; |
2 |
26 Feb 07 |
jari |
// this is to push NaNs to the end of the sorted array, since otherwise they would mess up quantile calculations |
2 |
26 Feb 07 |
jari |
646 |
} |
2 |
26 Feb 07 |
jari |
647 |
|
2 |
26 Feb 07 |
jari |
648 |
QSort sortCurrPVals = new QSort(currPermPVals, QSort.ASCENDING); |
2 |
26 Feb 07 |
jari |
649 |
double[] sortedCurrPVals = sortCurrPVals.getSortedDouble(); |
2 |
26 Feb 07 |
jari |
650 |
uPlusOneSmallestPVector.add(new Double(sortedCurrPVals[u])); |
2 |
26 Feb 07 |
jari |
651 |
} |
2 |
26 Feb 07 |
jari |
652 |
|
2 |
26 Feb 07 |
jari |
653 |
double[] uPlusOneSmallestArray = new double[uPlusOneSmallestPVector.size()]; |
2 |
26 Feb 07 |
jari |
654 |
for(int i = 0; i < uPlusOneSmallestPVector.size(); i++) { |
2 |
26 Feb 07 |
jari |
655 |
uPlusOneSmallestArray[i] = ((Double)(uPlusOneSmallestPVector.get(i))).doubleValue(); |
2 |
26 Feb 07 |
jari |
656 |
} |
2 |
26 Feb 07 |
jari |
657 |
|
2 |
26 Feb 07 |
jari |
658 |
QSort sortUPlusOneArray = new QSort(uPlusOneSmallestArray, QSort.ASCENDING); |
2 |
26 Feb 07 |
jari |
659 |
double[] sortedUPlusOneArray = sortUPlusOneArray.getSortedDouble(); |
2 |
26 Feb 07 |
jari |
660 |
|
2 |
26 Feb 07 |
jari |
661 |
int selectedIndex = (int)Math.floor(sortedUPlusOneArray.length*alphaQuantile) - 1; |
2 |
26 Feb 07 |
jari |
//System.out.println("Selected index (before setting to zero) = " + selectedIndex); |
2 |
26 Feb 07 |
jari |
663 |
if (selectedIndex < 0) selectedIndex = 0; |
2 |
26 Feb 07 |
jari |
664 |
|
2 |
26 Feb 07 |
jari |
665 |
return sortedUPlusOneArray[selectedIndex]; |
2 |
26 Feb 07 |
jari |
666 |
|
2 |
26 Feb 07 |
jari |
//return 0d; //for now; |
2 |
26 Feb 07 |
jari |
668 |
} |
2 |
26 Feb 07 |
jari |
669 |
|
2 |
26 Feb 07 |
jari |
670 |
private int[][] getDfs(FloatMatrix permutedMatrix) { |
2 |
26 Feb 07 |
jari |
671 |
int[][] dfs = new int[2][numGenes]; |
2 |
26 Feb 07 |
jari |
672 |
for (int gene = 0; gene < numGenes; gene++) { |
2 |
26 Feb 07 |
jari |
673 |
dfs[0][gene] = getDfNum(gene, permutedMatrix); |
2 |
26 Feb 07 |
jari |
674 |
dfs[1][gene] = getDfDenom(gene, permutedMatrix); |
2 |
26 Feb 07 |
jari |
675 |
} |
2 |
26 Feb 07 |
jari |
676 |
return dfs; |
2 |
26 Feb 07 |
jari |
677 |
} |
2 |
26 Feb 07 |
jari |
678 |
|
2 |
26 Feb 07 |
jari |
679 |
private double[] getParametricPVals(float[] fVals, int[] dfNums, int[] dfDenoms) { |
2 |
26 Feb 07 |
jari |
680 |
double[] pVals = new double[numGenes]; |
2 |
26 Feb 07 |
jari |
681 |
for (int i = 0; i < numGenes; i++) { |
2 |
26 Feb 07 |
jari |
682 |
double currF = (double)fVals[i]; |
2 |
26 Feb 07 |
jari |
683 |
int currDfNum = dfNums[i]; |
2 |
26 Feb 07 |
jari |
684 |
int currDfDenom = dfDenoms[i]; |
2 |
26 Feb 07 |
jari |
685 |
if (Double.isNaN(currF) || (currDfNum <= 0) || (currDfDenom <= 0) ) { |
2 |
26 Feb 07 |
jari |
686 |
pVals[i] = Double.NaN; |
2 |
26 Feb 07 |
jari |
687 |
} else { |
2 |
26 Feb 07 |
jari |
688 |
FDistribution fDist = new FDistribution(currDfNum, currDfDenom); |
2 |
26 Feb 07 |
jari |
//System.out.println("i (gene) = " + i + ", currF = " + currF + ", currDfNum = " + currDfNum + ", currDfDenom = " + currDfDenom); |
2 |
26 Feb 07 |
jari |
690 |
double cumulProb = fDist.cumulative(currF); |
2 |
26 Feb 07 |
jari |
691 |
double pValue = 1 - cumulProb; // |
2 |
26 Feb 07 |
jari |
692 |
if (pValue > 1) { |
2 |
26 Feb 07 |
jari |
693 |
pValue = 1.0d; |
2 |
26 Feb 07 |
jari |
694 |
} |
2 |
26 Feb 07 |
jari |
695 |
pVals[i] = pValue; |
2 |
26 Feb 07 |
jari |
696 |
} |
2 |
26 Feb 07 |
jari |
697 |
} |
2 |
26 Feb 07 |
jari |
698 |
return pVals; |
2 |
26 Feb 07 |
jari |
699 |
} |
2 |
26 Feb 07 |
jari |
700 |
|
2 |
26 Feb 07 |
jari |
701 |
private void getFDfSSValues() throws AlgorithmException { |
2 |
26 Feb 07 |
jari |
702 |
event = new AlgorithmEvent(this, AlgorithmEvent.SET_UNITS, numGenes); |
2 |
26 Feb 07 |
jari |
703 |
fireValueChanged(event); |
2 |
26 Feb 07 |
jari |
704 |
event.setId(AlgorithmEvent.PROGRESS_VALUE); |
2 |
26 Feb 07 |
jari |
705 |
|
2 |
26 Feb 07 |
jari |
706 |
for (int gene = 0; gene < numGenes; gene++) { |
2 |
26 Feb 07 |
jari |
707 |
float currentF = 0.0f; |
2 |
26 Feb 07 |
jari |
708 |
if (stop) { |
2 |
26 Feb 07 |
jari |
709 |
throw new AbortException(); |
2 |
26 Feb 07 |
jari |
710 |
} |
2 |
26 Feb 07 |
jari |
711 |
event.setIntValue(gene); |
2 |
26 Feb 07 |
jari |
712 |
event.setDescription("Calculating F and df: Current gene = " + (gene + 1)); |
2 |
26 Feb 07 |
jari |
713 |
fireValueChanged(event); |
2 |
26 Feb 07 |
jari |
//boolean sig = false; |
2 |
26 Feb 07 |
jari |
715 |
float[] geneValues = new float[numExps]; |
2 |
26 Feb 07 |
jari |
716 |
int n = 0; |
2 |
26 Feb 07 |
jari |
717 |
for (int i = 0; i < numExps; i++) { |
2 |
26 Feb 07 |
jari |
718 |
geneValues[i] = expMatrix.A[gene][i]; |
2 |
26 Feb 07 |
jari |
719 |
if (!Float.isNaN(geneValues[i])) { |
2 |
26 Feb 07 |
jari |
720 |
n++; |
2 |
26 Feb 07 |
jari |
721 |
} |
2 |
26 Feb 07 |
jari |
722 |
} |
2 |
26 Feb 07 |
jari |
723 |
|
2 |
26 Feb 07 |
jari |
724 |
if (n == 0) { |
2 |
26 Feb 07 |
jari |
725 |
currentF = Float.NaN; |
2 |
26 Feb 07 |
jari |
//currentP = Float.NaN; |
2 |
26 Feb 07 |
jari |
//return false; |
2 |
26 Feb 07 |
jari |
728 |
} |
2 |
26 Feb 07 |
jari |
729 |
|
2 |
26 Feb 07 |
jari |
730 |
constant = getConstant(geneValues); |
2 |
26 Feb 07 |
jari |
731 |
|
2 |
26 Feb 07 |
jari |
732 |
double totalSS = getTotalSS(geneValues); |
2 |
26 Feb 07 |
jari |
733 |
double groupsSS = getGroupsSS(geneValues); |
2 |
26 Feb 07 |
jari |
734 |
double errorSS = totalSS - groupsSS; |
2 |
26 Feb 07 |
jari |
735 |
|
2 |
26 Feb 07 |
jari |
736 |
if ((Double.isNaN(totalSS))||(Double.isNaN(groupsSS))||(Double.isNaN(errorSS))) { |
2 |
26 Feb 07 |
jari |
737 |
currentF = Float.NaN; |
2 |
26 Feb 07 |
jari |
//currentP = Float.NaN; |
2 |
26 Feb 07 |
jari |
//return false; |
2 |
26 Feb 07 |
jari |
740 |
} |
2 |
26 Feb 07 |
jari |
741 |
|
2 |
26 Feb 07 |
jari |
//int totalDF = validN - 1; |
2 |
26 Feb 07 |
jari |
743 |
int groupsDF = getDfNum(gene); |
2 |
26 Feb 07 |
jari |
744 |
int errorDF = getDfDenom(gene); |
2 |
26 Feb 07 |
jari |
745 |
|
2 |
26 Feb 07 |
jari |
746 |
double groupsMS = groupsSS / groupsDF; |
2 |
26 Feb 07 |
jari |
747 |
double errorMS = errorSS / errorDF; |
2 |
26 Feb 07 |
jari |
748 |
|
2 |
26 Feb 07 |
jari |
749 |
if (!Float.isNaN(currentF)) { |
2 |
26 Feb 07 |
jari |
750 |
double fValue = groupsMS/errorMS; |
2 |
26 Feb 07 |
jari |
751 |
currentF = (float)(fValue); |
2 |
26 Feb 07 |
jari |
752 |
} |
2 |
26 Feb 07 |
jari |
753 |
|
2 |
26 Feb 07 |
jari |
754 |
if (Float.isInfinite(currentF)) { |
2 |
26 Feb 07 |
jari |
755 |
currentF = Float.NaN; |
2 |
26 Feb 07 |
jari |
756 |
} |
2 |
26 Feb 07 |
jari |
//System.out.println("currentF for gene " + gene + " = " + currentF); |
2 |
26 Feb 07 |
jari |
758 |
|
2 |
26 Feb 07 |
jari |
759 |
fValuesVector.add(new Float(currentF)); |
2 |
26 Feb 07 |
jari |
760 |
dfNumVector.add(new Integer(groupsDF)); |
2 |
26 Feb 07 |
jari |
761 |
dfDenomVector.add(new Integer(errorDF)); |
2 |
26 Feb 07 |
jari |
762 |
ssGroupsVector.add(new Double(groupsSS)); |
2 |
26 Feb 07 |
jari |
763 |
ssErrorVector.add(new Double(errorSS)); |
2 |
26 Feb 07 |
jari |
764 |
} |
2 |
26 Feb 07 |
jari |
765 |
} |
2 |
26 Feb 07 |
jari |
766 |
|
2 |
26 Feb 07 |
jari |
767 |
private Vector getRawPValuesFromFDist() { |
2 |
26 Feb 07 |
jari |
768 |
Vector rawPVals = new Vector(); |
2 |
26 Feb 07 |
jari |
769 |
for (int i = 0; i < numGenes; i++) { |
2 |
26 Feb 07 |
jari |
770 |
double currF = ((Float)(fValuesVector.get(i))).doubleValue(); |
2 |
26 Feb 07 |
jari |
771 |
int currDfNum = ((Integer)(dfNumVector.get(i))).intValue(); |
2 |
26 Feb 07 |
jari |
772 |
int currDfDenom = ((Integer)(dfDenomVector.get(i))).intValue(); |
2 |
26 Feb 07 |
jari |
773 |
|
2 |
26 Feb 07 |
jari |
774 |
if (Double.isNaN(currF) || (currDfNum <= 0) || (currDfDenom <= 0) ) { |
2 |
26 Feb 07 |
jari |
775 |
rawPVals.add(new Float(Float.NaN)); |
2 |
26 Feb 07 |
jari |
776 |
} else { |
2 |
26 Feb 07 |
jari |
777 |
FDistribution fDist = new FDistribution(currDfNum, currDfDenom); |
2 |
26 Feb 07 |
jari |
//System.out.println("i (gene) = " + i + ", currF = " + currF + ", currDfNum = " + currDfNum + ", currDfDenom = " + currDfDenom); |
2 |
26 Feb 07 |
jari |
779 |
double cumulProb = fDist.cumulative(currF); |
2 |
26 Feb 07 |
jari |
780 |
double pValue = 1 - cumulProb; // |
2 |
26 Feb 07 |
jari |
781 |
if (pValue > 1) { |
2 |
26 Feb 07 |
jari |
782 |
pValue = 1.0d; |
2 |
26 Feb 07 |
jari |
783 |
} |
2 |
26 Feb 07 |
jari |
784 |
rawPVals.add(new Float(pValue)); |
2 |
26 Feb 07 |
jari |
785 |
} |
2 |
26 Feb 07 |
jari |
786 |
} |
2 |
26 Feb 07 |
jari |
787 |
return rawPVals; |
2 |
26 Feb 07 |
jari |
788 |
} |
2 |
26 Feb 07 |
jari |
789 |
|
2 |
26 Feb 07 |
jari |
790 |
private Vector getRawPValsFromPerms() throws AlgorithmException { |
2 |
26 Feb 07 |
jari |
791 |
event = new AlgorithmEvent(this, AlgorithmEvent.SET_UNITS, numPerms); |
2 |
26 Feb 07 |
jari |
792 |
fireValueChanged(event); |
2 |
26 Feb 07 |
jari |
793 |
event.setId(AlgorithmEvent.PROGRESS_VALUE); |
2 |
26 Feb 07 |
jari |
794 |
|
2 |
26 Feb 07 |
jari |
795 |
float[] permPValues = new float[numGenes]; |
2 |
26 Feb 07 |
jari |
796 |
for (int i = 0; i < numGenes; i++) { |
2 |
26 Feb 07 |
jari |
797 |
permPValues[i] = 0f; |
2 |
26 Feb 07 |
jari |
798 |
} |
2 |
26 Feb 07 |
jari |
799 |
float[] origFValues = new float[fValuesVector.size()]; |
2 |
26 Feb 07 |
jari |
800 |
for (int i = 0; i < fValuesVector.size(); i++) { |
2 |
26 Feb 07 |
jari |
801 |
origFValues[i] = ((Float)(fValuesVector.get(i))).floatValue(); |
2 |
26 Feb 07 |
jari |
802 |
} |
2 |
26 Feb 07 |
jari |
803 |
|
2 |
26 Feb 07 |
jari |
804 |
Vector validExpts = new Vector(); |
2 |
26 Feb 07 |
jari |
805 |
for (int i = 0; i < groupAssignments.length; i++) { |
2 |
26 Feb 07 |
jari |
806 |
if (groupAssignments[i] != 0) validExpts.add(new Integer(i)); |
2 |
26 Feb 07 |
jari |
807 |
} |
2 |
26 Feb 07 |
jari |
808 |
|
2 |
26 Feb 07 |
jari |
809 |
int[] validArray = new int[validExpts.size()]; |
2 |
26 Feb 07 |
jari |
810 |
for (int j = 0; j < validArray.length; j++) { |
2 |
26 Feb 07 |
jari |
811 |
validArray[j] = ((Integer)(validExpts.get(j))).intValue(); |
2 |
26 Feb 07 |
jari |
812 |
} |
2 |
26 Feb 07 |
jari |
813 |
for (int i = 0; i < numPerms; i++) { |
2 |
26 Feb 07 |
jari |
814 |
if (stop) { |
2 |
26 Feb 07 |
jari |
815 |
throw new AbortException(); |
2 |
26 Feb 07 |
jari |
816 |
} |
2 |
26 Feb 07 |
jari |
817 |
event.setIntValue(i); |
2 |
26 Feb 07 |
jari |
818 |
event.setDescription("Permuting matrix: Current permutation = " + (i + 1)); |
2 |
26 Feb 07 |
jari |
819 |
fireValueChanged(event); |
2 |
26 Feb 07 |
jari |
820 |
int[] permutedExpts = getPermutedValues(numExps, validArray); |
2 |
26 Feb 07 |
jari |
821 |
FloatMatrix permutedMatrix = getPermutedMatrix(expMatrix, permutedExpts); |
2 |
26 Feb 07 |
jari |
822 |
float[] currPermFVals = getPermutedFVals(permutedMatrix); |
2 |
26 Feb 07 |
jari |
823 |
for (int j = 0; j < numGenes; j++) { |
2 |
26 Feb 07 |
jari |
824 |
if (currPermFVals[j] > origFValues[j]) permPValues[j]++; |
2 |
26 Feb 07 |
jari |
825 |
} |
2 |
26 Feb 07 |
jari |
826 |
} |
2 |
26 Feb 07 |
jari |
827 |
|
2 |
26 Feb 07 |
jari |
828 |
for (int i = 0; i < numGenes; i++) { |
2 |
26 Feb 07 |
jari |
829 |
if (Float.isNaN(origFValues[i])) { |
2 |
26 Feb 07 |
jari |
830 |
permPValues[i] = Float.NaN; |
2 |
26 Feb 07 |
jari |
831 |
} else { |
2 |
26 Feb 07 |
jari |
832 |
permPValues[i] = (float)permPValues[i]/(float)numPerms; |
2 |
26 Feb 07 |
jari |
833 |
} |
2 |
26 Feb 07 |
jari |
834 |
} |
2 |
26 Feb 07 |
jari |
835 |
|
2 |
26 Feb 07 |
jari |
836 |
Vector permPValsVector = new Vector(); |
2 |
26 Feb 07 |
jari |
837 |
|
2 |
26 Feb 07 |
jari |
838 |
for (int i = 0; i < permPValues.length; i++) { |
2 |
26 Feb 07 |
jari |
839 |
permPValsVector.add(new Float(permPValues[i])); |
2 |
26 Feb 07 |
jari |
840 |
} |
2 |
26 Feb 07 |
jari |
841 |
|
2 |
26 Feb 07 |
jari |
842 |
return permPValsVector; |
2 |
26 Feb 07 |
jari |
843 |
} |
2 |
26 Feb 07 |
jari |
844 |
|
2 |
26 Feb 07 |
jari |
845 |
private FloatMatrix getPermutedMatrix(FloatMatrix inputMatrix, int[] permExpts) { |
2 |
26 Feb 07 |
jari |
846 |
FloatMatrix permutedMatrix = new FloatMatrix(inputMatrix.getRowDimension(), inputMatrix.getColumnDimension()); |
2 |
26 Feb 07 |
jari |
847 |
for (int i = 0; i < inputMatrix.getRowDimension(); i++) { |
2 |
26 Feb 07 |
jari |
848 |
for (int j = 0; j < inputMatrix.getColumnDimension(); j++) { |
2 |
26 Feb 07 |
jari |
849 |
permutedMatrix.A[i][j] = inputMatrix.A[i][permExpts[j]]; |
2 |
26 Feb 07 |
jari |
850 |
} |
2 |
26 Feb 07 |
jari |
851 |
} |
2 |
26 Feb 07 |
jari |
852 |
return permutedMatrix; |
2 |
26 Feb 07 |
jari |
853 |
} |
2 |
26 Feb 07 |
jari |
854 |
|
2 |
26 Feb 07 |
jari |
855 |
private float[] getPermutedFVals(FloatMatrix permMatrix) { |
2 |
26 Feb 07 |
jari |
856 |
float[] permFVals = new float[numGenes]; |
2 |
26 Feb 07 |
jari |
857 |
|
2 |
26 Feb 07 |
jari |
858 |
for (int gene = 0; gene < numGenes; gene++) { |
2 |
26 Feb 07 |
jari |
859 |
float currentF = 0.0f; |
2 |
26 Feb 07 |
jari |
//boolean sig = false; |
2 |
26 Feb 07 |
jari |
861 |
float[] geneValues = new float[numExps]; |
2 |
26 Feb 07 |
jari |
862 |
int n = 0; |
2 |
26 Feb 07 |
jari |
863 |
for (int i = 0; i < numExps; i++) { |
2 |
26 Feb 07 |
jari |
864 |
geneValues[i] = permMatrix.A[gene][i]; |
2 |
26 Feb 07 |
jari |
865 |
if (!Float.isNaN(geneValues[i])) { |
2 |
26 Feb 07 |
jari |
866 |
n++; |
2 |
26 Feb 07 |
jari |
867 |
} |
2 |
26 Feb 07 |
jari |
868 |
} |
2 |
26 Feb 07 |
jari |
869 |
|
2 |
26 Feb 07 |
jari |
870 |
if (n == 0) { |
2 |
26 Feb 07 |
jari |
871 |
currentF = Float.NaN; |
2 |
26 Feb 07 |
jari |
//currentP = Float.NaN; |
2 |
26 Feb 07 |
jari |
//return false; |
2 |
26 Feb 07 |
jari |
874 |
} |
2 |
26 Feb 07 |
jari |
875 |
|
2 |
26 Feb 07 |
jari |
876 |
constant = getConstant(geneValues); |
2 |
26 Feb 07 |
jari |
877 |
|
2 |
26 Feb 07 |
jari |
878 |
double totalSS = getTotalSS(geneValues); |
2 |
26 Feb 07 |
jari |
879 |
double groupsSS = getGroupsSS(geneValues); |
2 |
26 Feb 07 |
jari |
880 |
double errorSS = totalSS - groupsSS; |
2 |
26 Feb 07 |
jari |
881 |
|
2 |
26 Feb 07 |
jari |
882 |
if ((Double.isNaN(totalSS))||(Double.isNaN(groupsSS))||(Double.isNaN(errorSS))) { |
2 |
26 Feb 07 |
jari |
883 |
currentF = Float.NaN; |
2 |
26 Feb 07 |
jari |
//currentP = Float.NaN; |
2 |
26 Feb 07 |
jari |
//return false; |
2 |
26 Feb 07 |
jari |
886 |
} |
2 |
26 Feb 07 |
jari |
887 |
|
2 |
26 Feb 07 |
jari |
888 |
int groupsDF = getDfNum(gene, permMatrix); |
2 |
26 Feb 07 |
jari |
889 |
int errorDF = getDfDenom(gene, permMatrix); |
2 |
26 Feb 07 |
jari |
890 |
|
2 |
26 Feb 07 |
jari |
891 |
double groupsMS = groupsSS / groupsDF; |
2 |
26 Feb 07 |
jari |
892 |
double errorMS = errorSS / errorDF; |
2 |
26 Feb 07 |
jari |
893 |
|
2 |
26 Feb 07 |
jari |
894 |
if (!Float.isNaN(currentF)) { |
2 |
26 Feb 07 |
jari |
895 |
double fValue = groupsMS/errorMS; |
2 |
26 Feb 07 |
jari |
896 |
currentF = (float)(fValue); |
2 |
26 Feb 07 |
jari |
897 |
} |
2 |
26 Feb 07 |
jari |
898 |
|
2 |
26 Feb 07 |
jari |
//System.out.println("currentF for gene " + gene + " = " + currentF); |
2 |
26 Feb 07 |
jari |
900 |
permFVals[gene] = currentF; |
2 |
26 Feb 07 |
jari |
901 |
} |
2 |
26 Feb 07 |
jari |
902 |
return permFVals; |
2 |
26 Feb 07 |
jari |
903 |
} |
2 |
26 Feb 07 |
jari |
904 |
|
2 |
26 Feb 07 |
jari |
905 |
private int[] getPermutedValues(int arrayLength, int[] validArray) {//returns an integer array of length "arrayLength", with the valid values (the currently included experiments) permuted |
2 |
26 Feb 07 |
jari |
906 |
int[] permutedValues = new int[arrayLength]; |
2 |
26 Feb 07 |
jari |
907 |
for (int i = 0; i < permutedValues.length; i++) { |
2 |
26 Feb 07 |
jari |
908 |
permutedValues[i] = i; |
2 |
26 Feb 07 |
jari |
909 |
} |
2 |
26 Feb 07 |
jari |
910 |
|
2 |
26 Feb 07 |
jari |
911 |
int[] permutedValidArray = new int[validArray.length]; |
2 |
26 Feb 07 |
jari |
912 |
for (int i = 0; i < validArray.length; i++) { |
2 |
26 Feb 07 |
jari |
913 |
permutedValidArray[i] = validArray[i]; |
2 |
26 Feb 07 |
jari |
914 |
} |
2 |
26 Feb 07 |
jari |
915 |
|
2 |
26 Feb 07 |
jari |
916 |
for (int i = permutedValidArray.length; i > 1; i--) { |
2 |
26 Feb 07 |
jari |
917 |
Random generator2 =new Random(); |
2 |
26 Feb 07 |
jari |
//Random generator2 = new Random(randomSeeds[i - 2]); |
2 |
26 Feb 07 |
jari |
919 |
int randVal = generator2.nextInt(i - 1); |
2 |
26 Feb 07 |
jari |
920 |
int temp = permutedValidArray[randVal]; |
2 |
26 Feb 07 |
jari |
921 |
permutedValidArray[randVal] = permutedValidArray[i - 1]; |
2 |
26 Feb 07 |
jari |
922 |
permutedValidArray[i - 1] = temp; |
2 |
26 Feb 07 |
jari |
923 |
} |
2 |
26 Feb 07 |
jari |
924 |
|
2 |
26 Feb 07 |
jari |
925 |
for (int i = 0; i < validArray.length; i++) { |
2 |
26 Feb 07 |
jari |
//permutedValues[validArray[i]] = permutedValues[permutedValidArray[i]]; |
2 |
26 Feb 07 |
jari |
927 |
permutedValues[validArray[i]] = permutedValidArray[i]; |
2 |
26 Feb 07 |
jari |
928 |
} |
2 |
26 Feb 07 |
jari |
929 |
|
2 |
26 Feb 07 |
jari |
930 |
try { |
2 |
26 Feb 07 |
jari |
931 |
Thread.sleep(10); |
2 |
26 Feb 07 |
jari |
932 |
} catch (Exception exc) { |
2 |
26 Feb 07 |
jari |
933 |
exc.printStackTrace(); |
2 |
26 Feb 07 |
jari |
934 |
} |
2 |
26 Feb 07 |
jari |
935 |
|
2 |
26 Feb 07 |
jari |
936 |
|
2 |
26 Feb 07 |
jari |
937 |
return permutedValues; |
2 |
26 Feb 07 |
jari |
938 |
} |
2 |
26 Feb 07 |
jari |
939 |
|
2 |
26 Feb 07 |
jari |
940 |
private Vector getAdjPVals(Vector rawPVals, int adjMethod) throws AlgorithmException { |
2 |
26 Feb 07 |
jari |
941 |
event = new AlgorithmEvent(this, AlgorithmEvent.SET_UNITS, numGenes); |
2 |
26 Feb 07 |
jari |
942 |
fireValueChanged(event); |
2 |
26 Feb 07 |
jari |
943 |
event.setId(AlgorithmEvent.PROGRESS_VALUE); |
2 |
26 Feb 07 |
jari |
944 |
|
2 |
26 Feb 07 |
jari |
945 |
Vector adjPVals = new Vector(); |
2 |
26 Feb 07 |
jari |
946 |
if (adjMethod == OneWayANOVAInitBox.JUST_ALPHA) { |
2 |
26 Feb 07 |
jari |
947 |
adjPVals = (Vector)(rawPVals.clone()); |
2 |
26 Feb 07 |
jari |
948 |
} |
2 |
26 Feb 07 |
jari |
949 |
if (adjMethod == OneWayANOVAInitBox.STD_BONFERRONI) { |
2 |
26 Feb 07 |
jari |
950 |
for (int i = 0; i < numGenes; i++) { |
2 |
26 Feb 07 |
jari |
951 |
if (stop) { |
2 |
26 Feb 07 |
jari |
952 |
throw new AbortException(); |
2 |
26 Feb 07 |
jari |
953 |
} |
2 |
26 Feb 07 |
jari |
954 |
event.setIntValue(i); |
2 |
26 Feb 07 |
jari |
955 |
event.setDescription("Computing adjusted p-values: Current gene = " + (i + 1)); |
2 |
26 Feb 07 |
jari |
956 |
fireValueChanged(event); |
2 |
26 Feb 07 |
jari |
957 |
float currP = ((Float)(rawPVals.get(i))).floatValue(); |
2 |
26 Feb 07 |
jari |
958 |
float currAdjP = (float)(currP*numGenes); |
2 |
26 Feb 07 |
jari |
959 |
if (currAdjP > 1.0f) currAdjP = 1.0f; |
2 |
26 Feb 07 |
jari |
960 |
adjPVals.add(new Float(currAdjP)); |
2 |
26 Feb 07 |
jari |
961 |
} |
2 |
26 Feb 07 |
jari |
962 |
} |
2 |
26 Feb 07 |
jari |
963 |
if (adjMethod == OneWayANOVAInitBox.ADJ_BONFERRONI) { |
2 |
26 Feb 07 |
jari |
964 |
adjPVals = getAdjBonfPVals(rawPVals); |
2 |
26 Feb 07 |
jari |
965 |
} |
2 |
26 Feb 07 |
jari |
966 |
if (adjMethod == OneWayANOVAInitBox.MAX_T) { |
2 |
26 Feb 07 |
jari |
967 |
adjPVals = getMaxTPVals(); |
2 |
26 Feb 07 |
jari |
968 |
} |
2 |
26 Feb 07 |
jari |
969 |
|
2 |
26 Feb 07 |
jari |
970 |
return adjPVals; |
2 |
26 Feb 07 |
jari |
971 |
} |
2 |
26 Feb 07 |
jari |
972 |
|
2 |
26 Feb 07 |
jari |
973 |
private Vector getMaxTPVals() throws AlgorithmException { |
2 |
26 Feb 07 |
jari |
974 |
double[] origFValues = new double[numGenes]; |
2 |
26 Feb 07 |
jari |
975 |
double[] descFValues = new double[numGenes]; |
2 |
26 Feb 07 |
jari |
976 |
int[] descGeneIndices = new int[numGenes]; |
2 |
26 Feb 07 |
jari |
977 |
double[] adjPValues = new double[numGenes]; |
2 |
26 Feb 07 |
jari |
978 |
double[][] permutedRankedFValues = new double[numPerms][numGenes]; |
2 |
26 Feb 07 |
jari |
979 |
double[][] uMatrix = new double[numGenes][numPerms]; |
2 |
26 Feb 07 |
jari |
980 |
|
2 |
26 Feb 07 |
jari |
981 |
event = new AlgorithmEvent(this, AlgorithmEvent.SET_UNITS, numPerms); |
2 |
26 Feb 07 |
jari |
982 |
fireValueChanged(event); |
2 |
26 Feb 07 |
jari |
983 |
event.setId(AlgorithmEvent.PROGRESS_VALUE); |
2 |
26 Feb 07 |
jari |
984 |
|
2 |
26 Feb 07 |
jari |
985 |
for (int i = 0; i < numGenes; i++) { |
2 |
26 Feb 07 |
jari |
986 |
origFValues[i] = ((Float)(fValuesVector.get(i))).doubleValue(); |
2 |
26 Feb 07 |
jari |
987 |
} |
2 |
26 Feb 07 |
jari |
988 |
|
2 |
26 Feb 07 |
jari |
989 |
QSort sortDescFValues = new QSort(origFValues, QSort.DESCENDING); |
2 |
26 Feb 07 |
jari |
990 |
descFValues = sortDescFValues.getSortedDouble(); |
2 |
26 Feb 07 |
jari |
991 |
descGeneIndices = sortDescFValues.getOrigIndx(); |
2 |
26 Feb 07 |
jari |
992 |
|
2 |
26 Feb 07 |
jari |
993 |
Vector validExpts = new Vector(); |
2 |
26 Feb 07 |
jari |
994 |
for (int i = 0; i < groupAssignments.length; i++) { |
2 |
26 Feb 07 |
jari |
995 |
if (groupAssignments[i] != 0) validExpts.add(new Integer(i)); |
2 |
26 Feb 07 |
jari |
996 |
} |
2 |
26 Feb 07 |
jari |
997 |
|
2 |
26 Feb 07 |
jari |
998 |
int[] validArray = new int[validExpts.size()]; |
2 |
26 Feb 07 |
jari |
999 |
for (int j = 0; j < validArray.length; j++) { |
2 |
26 Feb 07 |
jari |
1000 |
validArray[j] = ((Integer)(validExpts.get(j))).intValue(); |
2 |
26 Feb 07 |
jari |
1001 |
} |
2 |
26 Feb 07 |
jari |
1002 |
|
2 |
26 Feb 07 |
jari |
1003 |
for (int i = 0; i < numPerms; i++) { |
2 |
26 Feb 07 |
jari |
1004 |
if (stop) { |
2 |
26 Feb 07 |
jari |
1005 |
throw new AbortException(); |
2 |
26 Feb 07 |
jari |
1006 |
} |
2 |
26 Feb 07 |
jari |
1007 |
event.setIntValue(i); |
2 |
26 Feb 07 |
jari |
1008 |
event.setDescription("Permuting matrix: Current permutation = " + (i+1)); |
2 |
26 Feb 07 |
jari |
1009 |
fireValueChanged(event); |
2 |
26 Feb 07 |
jari |
1010 |
|
2 |
26 Feb 07 |
jari |
1011 |
int[] permutedExpts = getPermutedValues(numExps, validArray); |
2 |
26 Feb 07 |
jari |
1012 |
FloatMatrix permutedMatrix = getPermutedMatrix(expMatrix, permutedExpts); |
2 |
26 Feb 07 |
jari |
1013 |
float[] currPermFVals = getPermutedFVals(permutedMatrix); |
2 |
26 Feb 07 |
jari |
1014 |
|
2 |
26 Feb 07 |
jari |
1015 |
if (Double.isNaN(currPermFVals[descGeneIndices[numGenes - 1]])) { |
2 |
26 Feb 07 |
jari |
1016 |
uMatrix[numGenes - 1][i] = Double.NEGATIVE_INFINITY; |
2 |
26 Feb 07 |
jari |
1017 |
} else { |
2 |
26 Feb 07 |
jari |
1018 |
uMatrix[numGenes - 1][i] = currPermFVals[descGeneIndices[numGenes - 1]]; |
2 |
26 Feb 07 |
jari |
1019 |
} |
2 |
26 Feb 07 |
jari |
1020 |
|
2 |
26 Feb 07 |
jari |
1021 |
for (int j = numGenes - 2; j >= 0; j--) { |
2 |
26 Feb 07 |
jari |
1022 |
if (Double.isNaN(currPermFVals[descGeneIndices[j]])) { |
2 |
26 Feb 07 |
jari |
1023 |
uMatrix[j][i] = uMatrix[j+1][i]; |
2 |
26 Feb 07 |
jari |
1024 |
} else { |
2 |
26 Feb 07 |
jari |
1025 |
uMatrix[j][i] = Math.max(uMatrix[j+1][i], currPermFVals[descGeneIndices[j]]); |
2 |
26 Feb 07 |
jari |
1026 |
} |
2 |
26 Feb 07 |
jari |
//System.out.println("uMatrix[" + j + "][" + i + "] = " + uMatrix[j][i]); |
2 |
26 Feb 07 |
jari |
1028 |
} |
2 |
26 Feb 07 |
jari |
1029 |
|
2 |
26 Feb 07 |
jari |
1030 |
} |
2 |
26 Feb 07 |
jari |
1031 |
|
2 |
26 Feb 07 |
jari |
1032 |
for (int i = 0; i < numGenes; i++) { |
2 |
26 Feb 07 |
jari |
1033 |
int pCounter = 0; |
2 |
26 Feb 07 |
jari |
1034 |
for (int j = 0; j < numPerms; j++) { |
2 |
26 Feb 07 |
jari |
1035 |
|
2 |
26 Feb 07 |
jari |
1036 |
if (uMatrix[i][j] >= descFValues[i]) { |
2 |
26 Feb 07 |
jari |
1037 |
pCounter++; |
2 |
26 Feb 07 |
jari |
1038 |
} |
2 |
26 Feb 07 |
jari |
1039 |
} |
2 |
26 Feb 07 |
jari |
1040 |
adjPValues[descGeneIndices[i]] = (double)pCounter/(double)numPerms; |
2 |
26 Feb 07 |
jari |
1041 |
} |
2 |
26 Feb 07 |
jari |
1042 |
|
2 |
26 Feb 07 |
jari |
1043 |
int NaNPCounter = 0; |
2 |
26 Feb 07 |
jari |
1044 |
for (int i = 0; i < numGenes; i++) { |
2 |
26 Feb 07 |
jari |
1045 |
if (Double.isNaN(origFValues[i])) { |
2 |
26 Feb 07 |
jari |
1046 |
adjPValues[i] = Double.NaN; |
2 |
26 Feb 07 |
jari |
1047 |
NaNPCounter++; |
2 |
26 Feb 07 |
jari |
//System.out.println("NaN index = " + i); |
2 |
26 Feb 07 |
jari |
1049 |
} |
2 |
26 Feb 07 |
jari |
1050 |
} |
2 |
26 Feb 07 |
jari |
//double[] pStarValues = new double[adjPValues]; |
2 |
26 Feb 07 |
jari |
//pStartValues[descGeneIndices[0]] |
2 |
26 Feb 07 |
jari |
1053 |
for (int i = 1; i < numGenes - NaNPCounter; i++) { // enforcing monotonicity |
2 |
26 Feb 07 |
jari |
1054 |
adjPValues[descGeneIndices[i]] = Math.max(adjPValues[descGeneIndices[i]], adjPValues[descGeneIndices[i - 1]]); |
2 |
26 Feb 07 |
jari |
1055 |
} |
2 |
26 Feb 07 |
jari |
1056 |
|
2 |
26 Feb 07 |
jari |
1057 |
Vector adPVector = new Vector(); |
2 |
26 Feb 07 |
jari |
1058 |
|
2 |
26 Feb 07 |
jari |
1059 |
for (int i = 0; i < adjPValues.length; i++) { |
2 |
26 Feb 07 |
jari |
1060 |
adPVector.add (new Float(adjPValues[i])); |
2 |
26 Feb 07 |
jari |
1061 |
} |
2 |
26 Feb 07 |
jari |
1062 |
return adPVector; |
2 |
26 Feb 07 |
jari |
1063 |
} |
2 |
26 Feb 07 |
jari |
1064 |
|
2 |
26 Feb 07 |
jari |
1065 |
|
2 |
26 Feb 07 |
jari |
1066 |
private Vector getAdjBonfPVals(Vector rawPVals) { |
2 |
26 Feb 07 |
jari |
1067 |
float[] rawPValArray = new float[rawPVals.size()]; |
2 |
26 Feb 07 |
jari |
1068 |
isSig = new boolean[rawPValArray.length]; |
2 |
26 Feb 07 |
jari |
1069 |
for (int i = 0; i < isSig.length; i++) { |
2 |
26 Feb 07 |
jari |
1070 |
isSig[i] = false; |
2 |
26 Feb 07 |
jari |
1071 |
} |
2 |
26 Feb 07 |
jari |
1072 |
for (int i = 0; i < rawPValArray.length; i++) { |
2 |
26 Feb 07 |
jari |
1073 |
rawPValArray[i] = ((Float)(rawPVals.get(i))).floatValue(); |
2 |
26 Feb 07 |
jari |
1074 |
} |
2 |
26 Feb 07 |
jari |
1075 |
float[] adjPValArray = new float[rawPValArray.length]; |
2 |
26 Feb 07 |
jari |
1076 |
|
2 |
26 Feb 07 |
jari |
1077 |
QSort sortRawPs = new QSort(rawPValArray, QSort.ASCENDING); |
2 |
26 Feb 07 |
jari |
1078 |
float[] sortedRawPVals = sortRawPs.getSorted(); |
2 |
26 Feb 07 |
jari |
1079 |
int[] origIndices = sortRawPs.getOrigIndx(); |
2 |
26 Feb 07 |
jari |
1080 |
int n = numGenes; |
2 |
26 Feb 07 |
jari |
1081 |
adjPValArray[origIndices[0]] = (float)(sortedRawPVals[0]*n); |
2 |
26 Feb 07 |
jari |
1082 |
for (int i = 1; i < numGenes; i++) { |
2 |
26 Feb 07 |
jari |
1083 |
if (sortedRawPVals[i - 1] < sortedRawPVals[i]) n--; |
2 |
26 Feb 07 |
jari |
1084 |
if (n <= 0) n = 1; |
2 |
26 Feb 07 |
jari |
1085 |
adjPValArray[origIndices[i]] = (float)(sortedRawPVals[i]*n); |
2 |
26 Feb 07 |
jari |
1086 |
} |
2 |
26 Feb 07 |
jari |
1087 |
|
2 |
26 Feb 07 |
jari |
1088 |
for (int i = 0; i < adjPValArray.length; i++) { |
2 |
26 Feb 07 |
jari |
1089 |
if (adjPValArray[i] > 1.0f) adjPValArray[i] = 1.0f; |
2 |
26 Feb 07 |
jari |
1090 |
} |
2 |
26 Feb 07 |
jari |
1091 |
|
2 |
26 Feb 07 |
jari |
1092 |
for (int i = 0; i < origIndices.length; i++) {// break out of loop as soon as non-significant value is encountered |
2 |
26 Feb 07 |
jari |
1093 |
if (adjPValArray[origIndices[i]] > (double)alpha) { |
2 |
26 Feb 07 |
jari |
1094 |
break; |
2 |
26 Feb 07 |
jari |
1095 |
} else { |
2 |
26 Feb 07 |
jari |
1096 |
if (adjPValArray[origIndices[i]] <= (double)alpha) { |
2 |
26 Feb 07 |
jari |
1097 |
isSig[origIndices[i]] = true; |
2 |
26 Feb 07 |
jari |
1098 |
} |
2 |
26 Feb 07 |
jari |
1099 |
} |
2 |
26 Feb 07 |
jari |
1100 |
} |
2 |
26 Feb 07 |
jari |
1101 |
|
2 |
26 Feb 07 |
jari |
1102 |
Vector adjBonPVals = new Vector(); |
2 |
26 Feb 07 |
jari |
1103 |
for (int i = 0; i < adjPValArray.length; i++) { |
2 |
26 Feb 07 |
jari |
1104 |
adjBonPVals.add(new Float(adjPValArray[i])); |
2 |
26 Feb 07 |
jari |
1105 |
} |
2 |
26 Feb 07 |
jari |
1106 |
return adjBonPVals; |
2 |
26 Feb 07 |
jari |
1107 |
} |
2 |
26 Feb 07 |
jari |
1108 |
|
2 |
26 Feb 07 |
jari |
1109 |
/* |
2 |
26 Feb 07 |
jari |
private Vector sortGenesBySignificance() throws AlgorithmException { |
2 |
26 Feb 07 |
jari |
Vector sigGenes = new Vector(); |
2 |
26 Feb 07 |
jari |
Vector nonSigGenes = new Vector(); |
2 |
26 Feb 07 |
jari |
1113 |
|
2 |
26 Feb 07 |
jari |
AlgorithmEvent event = new AlgorithmEvent(this, AlgorithmEvent.SET_UNITS, numGenes); |
2 |
26 Feb 07 |
jari |
fireValueChanged(event); |
2 |
26 Feb 07 |
jari |
event.setId(AlgorithmEvent.PROGRESS_VALUE); |
2 |
26 Feb 07 |
jari |
1117 |
|
2 |
26 Feb 07 |
jari |
if ((correctionMethod == OneWayANOVAInitBox.JUST_ALPHA)||(correctionMethod == OneWayANOVAInitBox.STD_BONFERRONI)) { |
2 |
26 Feb 07 |
jari |
sigGenes = new Vector(); |
2 |
26 Feb 07 |
jari |
nonSigGenes = new Vector(); |
2 |
26 Feb 07 |
jari |
for (int i = 0; i < numGenes; i++) { |
2 |
26 Feb 07 |
jari |
if (stop) { |
2 |
26 Feb 07 |
jari |
throw new AbortException(); |
2 |
26 Feb 07 |
jari |
1124 |
} |
2 |
26 Feb 07 |
jari |
event.setIntValue(i); |
2 |
26 Feb 07 |
jari |
event.setDescription("Current gene = " + (i + 1)); |
2 |
26 Feb 07 |
jari |
fireValueChanged(event); |
2 |
26 Feb 07 |
jari |
if (isSignificant(i)) { |
2 |
26 Feb 07 |
jari |
sigGenes.add(new Integer(i)); |
2 |
26 Feb 07 |
jari |
fValuesVector.add(new Float(currentF)); |
2 |
26 Feb 07 |
jari |
//pValuesVector.add(new Float(currentP)); |
2 |
26 Feb 07 |
jari |
} else { |
2 |
26 Feb 07 |
jari |
nonSigGenes.add(new Integer(i)); |
2 |
26 Feb 07 |
jari |
fValuesVector.add(new Float(currentF)); |
2 |
26 Feb 07 |
jari |
//pValuesVector.add(new Float(currentP)); |
2 |
26 Feb 07 |
jari |
1136 |
} |
2 |
26 Feb 07 |
jari |
1137 |
} |
2 |
26 Feb 07 |
jari |
1138 |
} |
2 |
26 Feb 07 |
jari |
1139 |
|
2 |
26 Feb 07 |
jari |
Vector sortedGenes = new Vector(); |
2 |
26 Feb 07 |
jari |
sortedGenes.add(sigGenes); |
2 |
26 Feb 07 |
jari |
sortedGenes.add(nonSigGenes); |
2 |
26 Feb 07 |
jari |
1143 |
|
2 |
26 Feb 07 |
jari |
return sortedGenes; |
2 |
26 Feb 07 |
jari |
1145 |
} |
2 |
26 Feb 07 |
jari |
1146 |
*/ |
2 |
26 Feb 07 |
jari |
1147 |
|
2 |
26 Feb 07 |
jari |
1148 |
private float[] getGene(int gene) { |
2 |
26 Feb 07 |
jari |
1149 |
float[] currentGene = new float[expMatrix.getColumnDimension()]; |
2 |
26 Feb 07 |
jari |
1150 |
for (int i = 0; i < currentGene.length; i++) { |
2 |
26 Feb 07 |
jari |
1151 |
currentGene[i] = expMatrix.A[gene][i]; |
2 |
26 Feb 07 |
jari |
1152 |
} |
2 |
26 Feb 07 |
jari |
1153 |
return currentGene; |
2 |
26 Feb 07 |
jari |
1154 |
} |
2 |
26 Feb 07 |
jari |
1155 |
|
2 |
26 Feb 07 |
jari |
1156 |
private int getDfNum(int gene) { |
2 |
26 Feb 07 |
jari |
//float[] geneValues = new float[numExps]; |
2 |
26 Feb 07 |
jari |
1158 |
int n = 0; |
2 |
26 Feb 07 |
jari |
1159 |
for (int i = 0; i < numExps; i++) { |
2 |
26 Feb 07 |
jari |
//geneValues[i] = expMatrix.A[gene][i]; |
2 |
26 Feb 07 |
jari |
1161 |
if ((!Float.isNaN(expMatrix.A[gene][i])) && (groupAssignments[i] != 0)) { |
2 |
26 Feb 07 |
jari |
1162 |
n++; |
2 |
26 Feb 07 |
jari |
1163 |
} |
2 |
26 Feb 07 |
jari |
1164 |
} |
2 |
26 Feb 07 |
jari |
1165 |
if (n == 0) { |
2 |
26 Feb 07 |
jari |
1166 |
return (-1); // will be exported as Float.NaN to OWAGUI |
2 |
26 Feb 07 |
jari |
1167 |
} |
2 |
26 Feb 07 |
jari |
1168 |
|
2 |
26 Feb 07 |
jari |
1169 |
return (numGroups - 1); |
2 |
26 Feb 07 |
jari |
1170 |
} |
2 |
26 Feb 07 |
jari |
1171 |
|
2 |
26 Feb 07 |
jari |
1172 |
private int getDfDenom(int gene) { |
2 |
26 Feb 07 |
jari |
1173 |
int n = 0; |
2 |
26 Feb 07 |
jari |
1174 |
for (int i = 0; i < numExps; i++) { |
2 |
26 Feb 07 |
jari |
//geneValues[i] = expMatrix.A[gene][i]; |
2 |
26 Feb 07 |
jari |
1176 |
if ((!Float.isNaN(expMatrix.A[gene][i])) && (groupAssignments[i] != 0)) { |
2 |
26 Feb 07 |
jari |
1177 |
n++; |
2 |
26 Feb 07 |
jari |
1178 |
} |
2 |
26 Feb 07 |
jari |
1179 |
} |
2 |
26 Feb 07 |
jari |
1180 |
if (n == 0) { |
2 |
26 Feb 07 |
jari |
1181 |
return (-1); // will be exported as Float.NaN to OWAGUI |
2 |
26 Feb 07 |
jari |
1182 |
} |
2 |
26 Feb 07 |
jari |
1183 |
return (n - numGroups); |
2 |
26 Feb 07 |
jari |
1184 |
} |
2 |
26 Feb 07 |
jari |
1185 |
|
2 |
26 Feb 07 |
jari |
1186 |
private int getDfNum(int gene, FloatMatrix permMatrix) { |
2 |
26 Feb 07 |
jari |
//float[] geneValues = new float[numExps]; |
2 |
26 Feb 07 |
jari |
1188 |
int n = 0; |
2 |
26 Feb 07 |
jari |
1189 |
for (int i = 0; i < numExps; i++) { |
2 |
26 Feb 07 |
jari |
//geneValues[i] = expMatrix.A[gene][i]; |
2 |
26 Feb 07 |
jari |
1191 |
if ((!Float.isNaN(permMatrix.A[gene][i])) && (groupAssignments[i] != 0)) { |
2 |
26 Feb 07 |
jari |
1192 |
n++; |
2 |
26 Feb 07 |
jari |
1193 |
} |
2 |
26 Feb 07 |
jari |
1194 |
} |
2 |
26 Feb 07 |
jari |
1195 |
if (n == 0) { |
2 |
26 Feb 07 |
jari |
1196 |
return (-1); // will be exported as Float.NaN to OWAGUI |
2 |
26 Feb 07 |
jari |
1197 |
} |
2 |
26 Feb 07 |
jari |
1198 |
|
2 |
26 Feb 07 |
jari |
1199 |
return (numGroups - 1); |
2 |
26 Feb 07 |
jari |
1200 |
} |
2 |
26 Feb 07 |
jari |
1201 |
|
2 |
26 Feb 07 |
jari |
1202 |
private int getDfDenom(int gene, FloatMatrix permMatrix) { |
2 |
26 Feb 07 |
jari |
1203 |
int n = 0; |
2 |
26 Feb 07 |
jari |
1204 |
for (int i = 0; i < numExps; i++) { |
2 |
26 Feb 07 |
jari |
//geneValues[i] = expMatrix.A[gene][i]; |
2 |
26 Feb 07 |
jari |
1206 |
if ((!Float.isNaN(permMatrix.A[gene][i])) && (groupAssignments[i] != 0)) { |
2 |
26 Feb 07 |
jari |
1207 |
n++; |
2 |
26 Feb 07 |
jari |
1208 |
} |
2 |
26 Feb 07 |
jari |
1209 |
} |
2 |
26 Feb 07 |
jari |
1210 |
if (n == 0) { |
2 |
26 Feb 07 |
jari |
1211 |
return (-1); // will be exported as Float.NaN to OWAGUI |
2 |
26 Feb 07 |
jari |
1212 |
} |
2 |
26 Feb 07 |
jari |
1213 |
return (n - numGroups); |
2 |
26 Feb 07 |
jari |
1214 |
} |
2 |
26 Feb 07 |
jari |
1215 |
|
2 |
26 Feb 07 |
jari |
1216 |
/* |
2 |
26 Feb 07 |
jari |
private boolean isSignificant(int gene) { |
2 |
26 Feb 07 |
jari |
boolean sig = false; |
2 |
26 Feb 07 |
jari |
float[] geneValues = new float[numExps]; |
2 |
26 Feb 07 |
jari |
int n = 0; |
2 |
26 Feb 07 |
jari |
for (int i = 0; i < numExps; i++) { |
2 |
26 Feb 07 |
jari |
geneValues[i] = expMatrix.A[gene][i]; |
2 |
26 Feb 07 |
jari |
if (!Float.isNaN(geneValues[i])) { |
2 |
26 Feb 07 |
jari |
n++; |
2 |
26 Feb 07 |
jari |
1225 |
} |
2 |
26 Feb 07 |
jari |
1226 |
} |
2 |
26 Feb 07 |
jari |
1227 |
|
2 |
26 Feb 07 |
jari |
if (n == 0) { |
2 |
26 Feb 07 |
jari |
currentF = Float.NaN; |
2 |
26 Feb 07 |
jari |
currentP = Float.NaN; |
2 |
26 Feb 07 |
jari |
return false; |
2 |
26 Feb 07 |
jari |
1232 |
} |
2 |
26 Feb 07 |
jari |
1233 |
|
2 |
26 Feb 07 |
jari |
constant = getConstant(geneValues); |
2 |
26 Feb 07 |
jari |
1235 |
|
2 |
26 Feb 07 |
jari |
double totalSS = getTotalSS(geneValues); |
2 |
26 Feb 07 |
jari |
double groupsSS = getGroupsSS(geneValues); |
2 |
26 Feb 07 |
jari |
double errorSS = totalSS - groupsSS; |
2 |
26 Feb 07 |
jari |
1239 |
|
2 |
26 Feb 07 |
jari |
if ((Double.isNaN(totalSS))||(Double.isNaN(groupsSS))||(Double.isNaN(errorSS))) { |
2 |
26 Feb 07 |
jari |
currentF = Float.NaN; |
2 |
26 Feb 07 |
jari |
currentP = Float.NaN; |
2 |
26 Feb 07 |
jari |
return false; |
2 |
26 Feb 07 |
jari |
1244 |
} |
2 |
26 Feb 07 |
jari |
1245 |
|
2 |
26 Feb 07 |
jari |
//int totalDF = validN - 1; |
2 |
26 Feb 07 |
jari |
int groupsDF = getDfNum(gene); |
2 |
26 Feb 07 |
jari |
int errorDF = getDfDenom(gene); |
2 |
26 Feb 07 |
jari |
1249 |
|
2 |
26 Feb 07 |
jari |
double groupsMS = groupsSS / groupsDF; |
2 |
26 Feb 07 |
jari |
double errorMS = errorSS / errorDF; |
2 |
26 Feb 07 |
jari |
1252 |
|
2 |
26 Feb 07 |
jari |
double fValue = groupsMS/errorMS; |
2 |
26 Feb 07 |
jari |
currentF = (float)(fValue); |
2 |
26 Feb 07 |
jari |
FDistribution fDist = new FDistribution(groupsDF, errorDF); |
2 |
26 Feb 07 |
jari |
//System.out.println("Gene " + gene + ": fValue = " + fValue + ", dfNum = " + groupsDF + ", dfDenom = " + errorDF); |
2 |
26 Feb 07 |
jari |
double cumulProb = fDist.cumulative(fValue); |
2 |
26 Feb 07 |
jari |
double pValue = 1 - cumulProb; // |
2 |
26 Feb 07 |
jari |
1259 |
|
2 |
26 Feb 07 |
jari |
if (pValue > 1) { |
2 |
26 Feb 07 |
jari |
pValue = 1.0d; |
2 |
26 Feb 07 |
jari |
1262 |
} |
2 |
26 Feb 07 |
jari |
1263 |
|
2 |
26 Feb 07 |
jari |
currentP = (float)pValue; |
2 |
26 Feb 07 |
jari |
1265 |
|
2 |
26 Feb 07 |
jari |
double criticalPValue = 0; |
2 |
26 Feb 07 |
jari |
1267 |
|
2 |
26 Feb 07 |
jari |
if (correctionMethod == OneWayANOVAInitBox.JUST_ALPHA) { |
2 |
26 Feb 07 |
jari |
criticalPValue = (double)alpha; |
2 |
26 Feb 07 |
jari |
} else if (correctionMethod == OneWayANOVAInitBox.STD_BONFERRONI) { |
2 |
26 Feb 07 |
jari |
criticalPValue = (double)alpha/numGenes; |
2 |
26 Feb 07 |
jari |
1272 |
} |
2 |
26 Feb 07 |
jari |
1273 |
|
2 |
26 Feb 07 |
jari |
//double criticalFValue = fDist.inverse(criticalPValue); |
2 |
26 Feb 07 |
jari |
1275 |
|
2 |
26 Feb 07 |
jari |
//System.out.println("critical P = " + criticalPValue + ", dfNum = " + groupsDF + ", dfDenom = " + errorDF + ", critical F = " + criticalFValue); |
2 |
26 Feb 07 |
jari |
1277 |
|
2 |
26 Feb 07 |
jari |
if (pValue <= criticalPValue) { |
2 |
26 Feb 07 |
jari |
sig = true; |
2 |
26 Feb 07 |
jari |
} else { |
2 |
26 Feb 07 |
jari |
sig = false; |
2 |
26 Feb 07 |
jari |
1282 |
} |
2 |
26 Feb 07 |
jari |
1283 |
|
2 |
26 Feb 07 |
jari |
1284 |
/* |
2 |
26 Feb 07 |
jari |
if (currentF >= criticalFValue) { |
2 |
26 Feb 07 |
jari |
sig = true; |
2 |
26 Feb 07 |
jari |
} else { |
2 |
26 Feb 07 |
jari |
sig = false; |
2 |
26 Feb 07 |
jari |
1289 |
} |
2 |
26 Feb 07 |
jari |
1290 |
*/ |
2 |
26 Feb 07 |
jari |
1291 |
/* |
2 |
26 Feb 07 |
jari |
FDistribution testF = new FDistribution(11, 15); |
2 |
26 Feb 07 |
jari |
double testP = testF.cumulative(2.51); |
2 |
26 Feb 07 |
jari |
1294 |
|
2 |
26 Feb 07 |
jari |
System.out.println("F(11, 15) = 2.51, cum. probability = " + (1 - testP)); |
2 |
26 Feb 07 |
jari |
1296 |
/ |
2 |
26 Feb 07 |
jari |
//System.out.println("Gene " + gene + ": GroupsSS = " + groupsSS + ", errorSS = " + errorSS + ", groupsDF = " + groupsDF + ", errorDF = " + errorDF + ", F = " + fValue + ", p = " + pValue); |
2 |
26 Feb 07 |
jari |
1298 |
|
2 |
26 Feb 07 |
jari |
return sig; |
2 |
26 Feb 07 |
jari |
1300 |
} |
2 |
26 Feb 07 |
jari |
1301 |
*/ |
2 |
26 Feb 07 |
jari |
1302 |
|
2 |
26 Feb 07 |
jari |
1303 |
|
2 |
26 Feb 07 |
jari |
1304 |
private double getConstant(float[] geneValues) { |
2 |
26 Feb 07 |
jari |
1305 |
double sum = 0.0d; |
2 |
26 Feb 07 |
jari |
1306 |
double cons; |
2 |
26 Feb 07 |
jari |
1307 |
int n = 0; |
2 |
26 Feb 07 |
jari |
1308 |
for (int i = 0; i < geneValues.length; i++) { |
2 |
26 Feb 07 |
jari |
1309 |
if ((!Float.isNaN(geneValues[i])) && (groupAssignments[i] != 0)) { |
2 |
26 Feb 07 |
jari |
1310 |
sum = sum + geneValues[i]; |
2 |
26 Feb 07 |
jari |
1311 |
n++; |
2 |
26 Feb 07 |
jari |
1312 |
} |
2 |
26 Feb 07 |
jari |
1313 |
} |
2 |
26 Feb 07 |
jari |
1314 |
|
2 |
26 Feb 07 |
jari |
1315 |
if (n == 0) { |
2 |
26 Feb 07 |
jari |
1316 |
return Double.NaN; |
2 |
26 Feb 07 |
jari |
1317 |
} else { |
2 |
26 Feb 07 |
jari |
1318 |
cons = (Math.pow((double)sum, 2d))/n; |
2 |
26 Feb 07 |
jari |
1319 |
} |
2 |
26 Feb 07 |
jari |
1320 |
return cons; |
2 |
26 Feb 07 |
jari |
1321 |
|
2 |
26 Feb 07 |
jari |
1322 |
} |
2 |
26 Feb 07 |
jari |
1323 |
|
2 |
26 Feb 07 |
jari |
1324 |
private double getTotalSS(float[] geneValues) { |
2 |
26 Feb 07 |
jari |
1325 |
double ss = 0; |
2 |
26 Feb 07 |
jari |
1326 |
int n = 0; |
2 |
26 Feb 07 |
jari |
1327 |
for (int i = 0; i < geneValues.length; i++) { |
2 |
26 Feb 07 |
jari |
1328 |
if ((!Float.isNaN(geneValues[i])) && (groupAssignments[i] != 0)) { |
2 |
26 Feb 07 |
jari |
1329 |
ss = ss + Math.pow(geneValues[i], 2); |
2 |
26 Feb 07 |
jari |
1330 |
n++; |
2 |
26 Feb 07 |
jari |
1331 |
} |
2 |
26 Feb 07 |
jari |
1332 |
} |
2 |
26 Feb 07 |
jari |
1333 |
|
2 |
26 Feb 07 |
jari |
1334 |
if (n == 0) { |
2 |
26 Feb 07 |
jari |
1335 |
return Double.NaN; |
2 |
26 Feb 07 |
jari |
1336 |
} else { |
2 |
26 Feb 07 |
jari |
1337 |
ss = ss - constant; |
2 |
26 Feb 07 |
jari |
1338 |
} |
2 |
26 Feb 07 |
jari |
1339 |
|
2 |
26 Feb 07 |
jari |
1340 |
return ss; |
2 |
26 Feb 07 |
jari |
1341 |
} |
2 |
26 Feb 07 |
jari |
1342 |
|
2 |
26 Feb 07 |
jari |
1343 |
private double getGroupsSS(float[] geneValues) { |
2 |
26 Feb 07 |
jari |
1344 |
float[][] geneValuesByGroups = new float[numGroups][]; |
2 |
26 Feb 07 |
jari |
1345 |
|
2 |
26 Feb 07 |
jari |
1346 |
for (int i = 0; i < numGroups; i++) { |
2 |
26 Feb 07 |
jari |
1347 |
geneValuesByGroups[i] = getGeneValuesForGroup(geneValues, i+1); |
2 |
26 Feb 07 |
jari |
1348 |
} |
2 |
26 Feb 07 |
jari |
1349 |
|
2 |
26 Feb 07 |
jari |
1350 |
double[] avSquareArray = new double[numGroups]; |
2 |
26 Feb 07 |
jari |
1351 |
|
2 |
26 Feb 07 |
jari |
1352 |
for (int i = 0; i < numGroups; i++) { |
2 |
26 Feb 07 |
jari |
1353 |
avSquareArray[i] = getAvSquare(geneValuesByGroups[i]); |
2 |
26 Feb 07 |
jari |
1354 |
} |
2 |
26 Feb 07 |
jari |
1355 |
|
2 |
26 Feb 07 |
jari |
1356 |
double ss = 0; |
2 |
26 Feb 07 |
jari |
1357 |
|
2 |
26 Feb 07 |
jari |
1358 |
for (int i = 0; i < numGroups; i++) { |
2 |
26 Feb 07 |
jari |
1359 |
ss = ss + avSquareArray[i]; |
2 |
26 Feb 07 |
jari |
1360 |
} |
2 |
26 Feb 07 |
jari |
1361 |
|
2 |
26 Feb 07 |
jari |
1362 |
return (ss - constant); |
2 |
26 Feb 07 |
jari |
1363 |
|
2 |
26 Feb 07 |
jari |
//double ss = 0; |
2 |
26 Feb 07 |
jari |
//return ss; |
2 |
26 Feb 07 |
jari |
1366 |
} |
2 |
26 Feb 07 |
jari |
1367 |
|
2 |
26 Feb 07 |
jari |
1368 |
private float[] getGeneGroupMeans(int gene) { |
2 |
26 Feb 07 |
jari |
1369 |
float[] geneValues = new float[numExps]; |
2 |
26 Feb 07 |
jari |
1370 |
for (int i = 0; i < numExps; i++) { |
2 |
26 Feb 07 |
jari |
1371 |
geneValues[i] = expMatrix.A[gene][i]; |
2 |
26 Feb 07 |
jari |
1372 |
} |
2 |
26 Feb 07 |
jari |
1373 |
|
2 |
26 Feb 07 |
jari |
1374 |
float[][] geneValuesByGroups = new float[numGroups][]; |
2 |
26 Feb 07 |
jari |
1375 |
|
2 |
26 Feb 07 |
jari |
1376 |
for (int i = 0; i < numGroups; i++) { |
2 |
26 Feb 07 |
jari |
1377 |
geneValuesByGroups[i] = getGeneValuesForGroup(geneValues, i+1); |
2 |
26 Feb 07 |
jari |
1378 |
} |
2 |
26 Feb 07 |
jari |
1379 |
|
2 |
26 Feb 07 |
jari |
1380 |
float[] geneGroupMeans = new float[numGroups]; |
2 |
26 Feb 07 |
jari |
1381 |
for (int i = 0; i < numGroups; i++) { |
2 |
26 Feb 07 |
jari |
1382 |
geneGroupMeans[i] = getMean(geneValuesByGroups[i]); |
2 |
26 Feb 07 |
jari |
1383 |
} |
2 |
26 Feb 07 |
jari |
1384 |
|
2 |
26 Feb 07 |
jari |
1385 |
return geneGroupMeans; |
2 |
26 Feb 07 |
jari |
1386 |
} |
2 |
26 Feb 07 |
jari |
1387 |
|
2 |
26 Feb 07 |
jari |
1388 |
private float[] getGeneGroupSDs(int gene) { |
2 |
26 Feb 07 |
jari |
1389 |
float[] geneValues = new float[numExps]; |
2 |
26 Feb 07 |
jari |
1390 |
for (int i = 0; i < numExps; i++) { |
2 |
26 Feb 07 |
jari |
1391 |
geneValues[i] = expMatrix.A[gene][i]; |
2 |
26 Feb 07 |
jari |
1392 |
} |
2 |
26 Feb 07 |
jari |
1393 |
|
2 |
26 Feb 07 |
jari |
1394 |
float[][] geneValuesByGroups = new float[numGroups][]; |
2 |
26 Feb 07 |
jari |
1395 |
|
2 |
26 Feb 07 |
jari |
1396 |
for (int i = 0; i < numGroups; i++) { |
2 |
26 Feb 07 |
jari |
1397 |
geneValuesByGroups[i] = getGeneValuesForGroup(geneValues, i+1); |
2 |
26 Feb 07 |
jari |
1398 |
} |
2 |
26 Feb 07 |
jari |
1399 |
|
2 |
26 Feb 07 |
jari |
1400 |
float[] geneGroupSDs = new float[numGroups]; |
2 |
26 Feb 07 |
jari |
1401 |
for (int i = 0; i < numGroups; i++) { |
2 |
26 Feb 07 |
jari |
1402 |
geneGroupSDs[i] = getStdDev(geneValuesByGroups[i]); |
2 |
26 Feb 07 |
jari |
1403 |
} |
2 |
26 Feb 07 |
jari |
1404 |
|
2 |
26 Feb 07 |
jari |
1405 |
return geneGroupSDs; |
2 |
26 Feb 07 |
jari |
1406 |
} |
2 |
26 Feb 07 |
jari |
1407 |
|
2 |
26 Feb 07 |
jari |
1408 |
private float[] getGeneValuesForGroup(float[] geneValues, int group) { |
2 |
26 Feb 07 |
jari |
1409 |
Vector groupValuesVector = new Vector(); |
2 |
26 Feb 07 |
jari |
1410 |
|
2 |
26 Feb 07 |
jari |
1411 |
for (int i = 0; i < groupAssignments.length; i++) { |
2 |
26 Feb 07 |
jari |
1412 |
if (groupAssignments[i] == group) { |
2 |
26 Feb 07 |
jari |
1413 |
groupValuesVector.add(new Float(geneValues[i])); |
2 |
26 Feb 07 |
jari |
1414 |
} |
2 |
26 Feb 07 |
jari |
1415 |
} |
2 |
26 Feb 07 |
jari |
1416 |
|
2 |
26 Feb 07 |
jari |
1417 |
float[] groupGeneValues = new float[groupValuesVector.size()]; |
2 |
26 Feb 07 |
jari |
1418 |
|
2 |
26 Feb 07 |
jari |
1419 |
for (int i = 0; i < groupValuesVector.size(); i++) { |
2 |
26 Feb 07 |
jari |
1420 |
groupGeneValues[i] = ((Float)(groupValuesVector.get(i))).floatValue(); |
2 |
26 Feb 07 |
jari |
1421 |
} |
2 |
26 Feb 07 |
jari |
1422 |
|
2 |
26 Feb 07 |
jari |
1423 |
return groupGeneValues; |
2 |
26 Feb 07 |
jari |
1424 |
} |
2 |
26 Feb 07 |
jari |
1425 |
|
2 |
26 Feb 07 |
jari |
1426 |
private FloatMatrix getAllGeneGroupMeans() { |
2 |
26 Feb 07 |
jari |
1427 |
FloatMatrix means = new FloatMatrix(numGenes, numGroups); |
2 |
26 Feb 07 |
jari |
1428 |
for (int i = 0; i < means.getRowDimension(); i++) { |
2 |
26 Feb 07 |
jari |
1429 |
means.A[i] = getGeneGroupMeans(i); |
2 |
26 Feb 07 |
jari |
1430 |
} |
2 |
26 Feb 07 |
jari |
1431 |
return means; |
2 |
26 Feb 07 |
jari |
1432 |
} |
2 |
26 Feb 07 |
jari |
1433 |
|
2 |
26 Feb 07 |
jari |
1434 |
private FloatMatrix getAllGeneGroupSDs() { |
2 |
26 Feb 07 |
jari |
1435 |
FloatMatrix sds = new FloatMatrix(numGenes, numGroups); |
2 |
26 Feb 07 |
jari |
1436 |
for (int i = 0; i < sds.getRowDimension(); i++) { |
2 |
26 Feb 07 |
jari |
1437 |
sds.A[i] = getGeneGroupSDs(i); |
2 |
26 Feb 07 |
jari |
1438 |
} |
2 |
26 Feb 07 |
jari |
1439 |
return sds; |
2 |
26 Feb 07 |
jari |
1440 |
} |
2 |
26 Feb 07 |
jari |
1441 |
|
2 |
26 Feb 07 |
jari |
1442 |
private double getAvSquare(float[] values) { |
2 |
26 Feb 07 |
jari |
1443 |
double ss = 0; |
2 |
26 Feb 07 |
jari |
1444 |
double sum = 0; |
2 |
26 Feb 07 |
jari |
1445 |
int n = 0; |
2 |
26 Feb 07 |
jari |
1446 |
for (int i = 0; i < values.length; i++) { |
2 |
26 Feb 07 |
jari |
1447 |
if (!Float.isNaN(values[i])) { |
2 |
26 Feb 07 |
jari |
1448 |
sum = sum + values[i]; |
2 |
26 Feb 07 |
jari |
1449 |
n++; |
2 |
26 Feb 07 |
jari |
1450 |
} |
2 |
26 Feb 07 |
jari |
1451 |
} |
2 |
26 Feb 07 |
jari |
1452 |
|
2 |
26 Feb 07 |
jari |
1453 |
if (n == 0) { |
2 |
26 Feb 07 |
jari |
1454 |
return Double.NaN; |
2 |
26 Feb 07 |
jari |
1455 |
} else { |
2 |
26 Feb 07 |
jari |
1456 |
ss = (Math.pow(sum, 2)) / n; |
2 |
26 Feb 07 |
jari |
1457 |
} |
2 |
26 Feb 07 |
jari |
1458 |
|
2 |
26 Feb 07 |
jari |
1459 |
return ss; |
2 |
26 Feb 07 |
jari |
1460 |
} |
2 |
26 Feb 07 |
jari |
1461 |
|
2 |
26 Feb 07 |
jari |
1462 |
private float getMean(float[] group) { |
2 |
26 Feb 07 |
jari |
1463 |
float sum = 0; |
2 |
26 Feb 07 |
jari |
1464 |
int n = 0; |
2 |
26 Feb 07 |
jari |
1465 |
|
2 |
26 Feb 07 |
jari |
1466 |
for (int i = 0; i < group.length; i++) { |
2 |
26 Feb 07 |
jari |
//System.out.println("getMean(): group[" + i + "] = " + group[i]); |
2 |
26 Feb 07 |
jari |
1468 |
if (!Float.isNaN(group[i])) { |
2 |
26 Feb 07 |
jari |
1469 |
sum = sum + group[i]; |
2 |
26 Feb 07 |
jari |
1470 |
n++; |
2 |
26 Feb 07 |
jari |
1471 |
} |
2 |
26 Feb 07 |
jari |
1472 |
} |
2 |
26 Feb 07 |
jari |
1473 |
|
2 |
26 Feb 07 |
jari |
//System.out.println("getMean(): sum = " +sum); |
2 |
26 Feb 07 |
jari |
1475 |
if (n == 0) { |
2 |
26 Feb 07 |
jari |
1476 |
return Float.NaN; |
2 |
26 Feb 07 |
jari |
1477 |
} |
2 |
26 Feb 07 |
jari |
1478 |
float mean = sum / (float)n; |
2 |
26 Feb 07 |
jari |
1479 |
|
2 |
26 Feb 07 |
jari |
1480 |
if (Float.isInfinite(mean)) { |
2 |
26 Feb 07 |
jari |
1481 |
return Float.NaN; |
2 |
26 Feb 07 |
jari |
1482 |
} |
2 |
26 Feb 07 |
jari |
1483 |
|
2 |
26 Feb 07 |
jari |
1484 |
return mean; |
2 |
26 Feb 07 |
jari |
1485 |
} |
2 |
26 Feb 07 |
jari |
1486 |
|
2 |
26 Feb 07 |
jari |
1487 |
private float getStdDev(float[] group) { |
2 |
26 Feb 07 |
jari |
1488 |
float mean = getMean(group); |
2 |
26 Feb 07 |
jari |
1489 |
int n = 0; |
2 |
26 Feb 07 |
jari |
1490 |
|
2 |
26 Feb 07 |
jari |
1491 |
float sumSquares = 0; |
2 |
26 Feb 07 |
jari |
1492 |
|
2 |
26 Feb 07 |
jari |
1493 |
for (int i = 0; i < group.length; i++) { |
2 |
26 Feb 07 |
jari |
1494 |
if (!Float.isNaN(group[i])) { |
2 |
26 Feb 07 |
jari |
1495 |
sumSquares = (float)(sumSquares + Math.pow((group[i] - mean), 2)); |
2 |
26 Feb 07 |
jari |
1496 |
n++; |
2 |
26 Feb 07 |
jari |
1497 |
} |
2 |
26 Feb 07 |
jari |
1498 |
} |
2 |
26 Feb 07 |
jari |
1499 |
|
2 |
26 Feb 07 |
jari |
1500 |
if (n < 2) { |
2 |
26 Feb 07 |
jari |
1501 |
return Float.NaN; |
2 |
26 Feb 07 |
jari |
1502 |
} |
2 |
26 Feb 07 |
jari |
1503 |
|
2 |
26 Feb 07 |
jari |
1504 |
float var = sumSquares / (float)(n - 1); |
2 |
26 Feb 07 |
jari |
1505 |
if (Float.isInfinite(var)) { |
2 |
26 Feb 07 |
jari |
1506 |
return Float.NaN; |
2 |
26 Feb 07 |
jari |
1507 |
} |
2 |
26 Feb 07 |
jari |
1508 |
return (float)(Math.sqrt((double)var)); |
2 |
26 Feb 07 |
jari |
1509 |
} |
2 |
26 Feb 07 |
jari |
1510 |
|
2 |
26 Feb 07 |
jari |
1511 |
} |