Package edu.cmu.tetrad.data

Class CovariancesDoubleForkJoin

java.lang.Object

edu.cmu.tetrad.data.CovariancesDoubleForkJoin

public class CovariancesDoubleForkJoin
extends Object

Computes covariances using the standard calculation.

Version:

$Id: $Id

Author:

Kevin V. Bui (kvb2@pitt.edu), Joseph D. Ramsey

Constructor Summary

Constructors

Constructor	Description
CovariancesDoubleForkJoin(double[][] data, boolean biasCorrected)	Constructor for CovariancesDoubleForkJoin.

Method Summary

Modifier and Type	Method	Description
double	covariance(int i, int j)	covariance.
double[][]	getMatrix()	getMatrix.
double[][]	getSubMatrix(int[] rows, int[] cols)	getSubMatrix.
int	size()	size.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

CovariancesDoubleForkJoin

public CovariancesDoubleForkJoin(double[][] data,
 boolean biasCorrected)

Constructor for CovariancesDoubleForkJoin.

Parameters:

data - an array of double objects

biasCorrected - a boolean

Method Details

covariance

public double covariance(int i,
 int j)

covariance.

Parameters:

i - a int

j - a int

Returns:

a double

size

public int size()

size.

Returns:

a int

getMatrix

public double[][] getMatrix()

getMatrix.

Returns:

an array of double objects

getSubMatrix

public double[][] getSubMatrix(int[] rows,
 int[] cols)

getSubMatrix.

Parameters:

rows - an array of int objects

cols - an array of int objects

Returns:

an array of double objects