com.itemanalysis.psychometrics.polycor

Class AbstractPolyserialCorrelation

java.lang.Object

com.itemanalysis.psychometrics.polycor.AbstractPolyserialCorrelation

All Implemented Interfaces:

PolyserialCorrelation

Direct Known Subclasses:

PolyserialMaximumLikelihood

public abstract class AbstractPolyserialCorrelation
extends java.lang.Object
implements PolyserialCorrelation

Field Summary

Fields

Modifier and Type	Field and Description
protected boolean	incremental
protected double	N
protected org.apache.commons.math3.distribution.NormalDistribution	norm
protected double[]	thresholds
protected org.apache.commons.math3.util.ResizableDoubleArray	x
protected org.apache.commons.math3.util.ResizableDoubleArray	y

Constructor Summary

Constructors

Constructor and Description
AbstractPolyserialCorrelation()

Method Summary

Modifier and Type	Method and Description
void	increment(double x, int y)
void	summarize()
void	summarize(double[] x, int[] y)

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.itemanalysis.psychometrics.polycor.PolyserialCorrelation

getThresholds, print, value

Field Detail

x

protected org.apache.commons.math3.util.ResizableDoubleArray x

y

protected org.apache.commons.math3.util.ResizableDoubleArray y

norm

protected org.apache.commons.math3.distribution.NormalDistribution norm

thresholds

protected double[] thresholds

N

protected double N

incremental

protected boolean incremental

Constructor Detail

AbstractPolyserialCorrelation

public AbstractPolyserialCorrelation()

Method Detail

summarize

public void summarize(double[] x,
                      int[] y)

summarize

public void summarize()

increment

public void increment(double x,
                      int y)