com.datumbox.framework.core.statistics.descriptivestatistics

Class Bivariate

java.lang.Object

com.datumbox.framework.core.statistics.descriptivestatistics.Bivariate

public class Bivariate
extends java.lang.Object

The Bivariate class enables us to estimate correlation metrics between different variables.

Constructor Summary

Constructors

Constructor and Description
Bivariate()

Method Summary

Modifier and Type	Method and Description
static DataTable2D	covarianceMatrix(Dataframe dataSet) Calculates Covariance Matrix.
static DataTable2D	kendalltauMatrix(Dataframe dataSet) Calculates Kendall Tau Matrix.
static DataTable2D	pearsonMatrix(Dataframe dataSet) Calculates Pearson Matrix.
static DataTable2D	spearmanMatrix(Dataframe dataSet) Calculates Spearman Matrix.

Methods inherited from class java.lang.Object

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

Constructor Detail

Bivariate

public Bivariate()

Method Detail

covarianceMatrix

public static DataTable2D covarianceMatrix(Dataframe dataSet)

Calculates Covariance Matrix.

Parameters:

dataSet -

Returns:

pearsonMatrix

public static DataTable2D pearsonMatrix(Dataframe dataSet)

Calculates Pearson Matrix.

Parameters:

dataSet -

Returns:

spearmanMatrix

public static DataTable2D spearmanMatrix(Dataframe dataSet)

Calculates Spearman Matrix.

Parameters:

dataSet -

Returns:

kendalltauMatrix

public static DataTable2D kendalltauMatrix(Dataframe dataSet)

Calculates Kendall Tau Matrix.

Parameters:

dataSet -

Returns: