CorrelationBox finds the correlation coefficient between two data streams. More...

#include <statistics.hh>

Public Member Functions
void	reset ()
	Reset, forget everything, start new.

void	put (double x, double y)
	Put a data snapshot consisting of values from two streams, x and y.

void	takeaway (double x, double y)
	Take away a point.

double	correlation ()

Detailed Description

This class finds the correlation cooefficient of two streams of data, without storing individual data points. Similar in usage to the StatBox

Member Function Documentation

double prf_utils::CorrelationBox::correlation ( )

inline

Get the correlation coefficient (<xy>-<x><y>)/(std.dev.(x) * std. dev.(y))

void prf_utils::CorrelationBox::takeaway	(	double	x,
		double	y
	)

inline

Caution: Take away can not check if the point was ever put in to the box

The documentation for this class was generated from the following file: