com.itemanalysis.psychometrics.reliability

Class RajuBeta

java.lang.Object

com.itemanalysis.psychometrics.reliability.AbstractScoreReliability

com.itemanalysis.psychometrics.reliability.RajuBeta

All Implemented Interfaces:

ScoreReliability, java.lang.Comparable<ScoreReliability>

public class RajuBeta
extends AbstractScoreReliability

Field Summary

Fields inherited from class com.itemanalysis.psychometrics.reliability.AbstractScoreReliability

matrix, nItems

Constructor Summary

Constructors

Constructor and Description
RajuBeta(CovarianceMatrix matrix)
RajuBeta(CovarianceMatrix matrix, double[] numberOfItems)
RajuBeta(double[][] matrix)

Method Summary

Modifier and Type	Method and Description
ScoreReliabilityType	getType() Type of reliability estimate
double[]	itemDeletedReliability() An array of reliability estimates without the item indexed by the position in the array.
java.lang.String	printItemDeletedSummary(java.util.ArrayList<VariableAttributes> var) A String representation of all item deleted reliability estimates.
java.lang.String	toString()
double	value() Estimates reliability.

Methods inherited from class com.itemanalysis.psychometrics.reliability.AbstractScoreReliability

compareTo, confidenceInterval, confidenceIntervalToString, equals, hashCode, totalVariance

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

RajuBeta

public RajuBeta(CovarianceMatrix matrix)

RajuBeta

public RajuBeta(double[][] matrix)

RajuBeta

public RajuBeta(CovarianceMatrix matrix,
                double[] numberOfItems)

Method Detail

getType

public ScoreReliabilityType getType()

Description copied from interface: ScoreReliability

Type of reliability estimate

Returns:

type of reliability estimate.

value

public double value()

Description copied from interface: ScoreReliability

Estimates reliability.

Returns:

estimate of reliability

itemDeletedReliability

public double[] itemDeletedReliability()

Description copied from interface: ScoreReliability

An array of reliability estimates without the item indexed by the position in the array. For example, rel[0] = is the reliability estimate without the item at position 0. Similarly, rel[1] = is the reliability estimate without the item at position 1.

Returns:

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

printItemDeletedSummary

public java.lang.String printItemDeletedSummary(java.util.ArrayList<VariableAttributes> var)

Description copied from interface: ScoreReliability

A String representation of all item deleted reliability estimates.

Parameters:

var - VariableAttributes that provide the variable names.

Returns: