com.itemanalysis.psychometrics.irt.equating

Class RobustZEquatingTest

java.lang.Object

com.itemanalysis.psychometrics.irt.equating.RobustZEquatingTest

public class RobustZEquatingTest
extends java.lang.Object

Author:

J. Patrick Meyer

Constructor Summary

Constructors

Constructor and Description
RobustZEquatingTest(double[] bX, double[] bY, double significanceLevel) Constructor for use with Rasch or 1PL model
RobustZEquatingTest(double[] aX, double[] aY, double[] bX, double[] bY, double significanceLevel) Constructor for use with 2PL and 3PL models.

Method Summary

Modifier and Type	Method and Description
RobustZ[]	getDifficultyZ()
RobustZ[]	getDiscrimintationZ()
double	getIntercept()
double	getSlope()
java.lang.String	print(boolean discriminationTable)
void	setNames(java.util.ArrayList<VariableName> varnamesA, java.util.ArrayList<VariableName> varnamesB)

Methods inherited from class java.lang.Object

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

Constructor Detail

RobustZEquatingTest

public RobustZEquatingTest(double[] aX,
                           double[] aY,
                           double[] bX,
                           double[] bY,
                           double significanceLevel)
                    throws java.lang.IllegalArgumentException

Constructor for use with 2PL and 3PL models.

Parameters:

aX -

aY -

bX -

bY -

significanceLevel -

Throws:

java.lang.IllegalArgumentException

RobustZEquatingTest

public RobustZEquatingTest(double[] bX,
                           double[] bY,
                           double significanceLevel)
                    throws java.lang.IllegalArgumentException

Constructor for use with Rasch or 1PL model

Parameters:

bX -

bY -

significanceLevel -

Throws:

java.lang.IllegalArgumentException

Method Detail

setNames

public void setNames(java.util.ArrayList<VariableName> varnamesA,
                     java.util.ArrayList<VariableName> varnamesB)

getDiscrimintationZ

public RobustZ[] getDiscrimintationZ()

getDifficultyZ

public RobustZ[] getDifficultyZ()

getSlope

public double getSlope()

getIntercept

public double getIntercept()

print

public java.lang.String print(boolean discriminationTable)