javanpst.tests.equality.extendedMedianTest

Class ExtendedMedianTest

java.lang.Object

javanpst.tests.StatisticalTest

javanpst.tests.equality.extendedMedianTest.ExtendedMedianTest

public class ExtendedMedianTest
extends StatisticalTest

A extension of the median test for k independent samples This test can be applied to test the null hypotheses of equal medians between populations. P-values are computed through a chi-square distribution approximation. All samples must have the same number of elements.

Constructor Summary

Constructors

Constructor and Description
ExtendedMedianTest() Default builder
ExtendedMedianTest(DataTable newData) Builder.

Method Summary

Modifier and Type	Method and Description
void	clearData() Clears the data stored in the test
void	doTest() Performs the test
double	getImprovedQ() Get improved Q statistic
double	getMedian() Get median value
double	getPValue() Get p-value
double	getQ() Get Q statistic
java.lang.String	printData() Prints the data stored in the test
java.lang.String	printReport() Prints a report with the results of the test
void	setData(DataTable newData) Sets data to test

Methods inherited from class javanpst.tests.StatisticalTest

isDataReady, isPerformed

Methods inherited from class java.lang.Object

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

Constructor Detail

ExtendedMedianTest

public ExtendedMedianTest()

Default builder

ExtendedMedianTest

public ExtendedMedianTest(DataTable newData)

Builder. Load data to test.

Parameters:

newData - data to test.

Method Detail

clearData

public void clearData()

Clears the data stored in the test

Specified by:

clearData in class StatisticalTest

setData

public void setData(DataTable newData)

Sets data to test

Parameters:

newData - data to test.

doTest

public void doTest()

Performs the test

Specified by:

doTest in class StatisticalTest

getQ

public double getQ()

Get Q statistic

Returns:

Q statistic

getImprovedQ

public double getImprovedQ()

Get improved Q statistic

Returns:

improved Q statistic

getMedian

public double getMedian()

Get median value

Returns:

median value

getPValue

public double getPValue()

Get p-value

Returns:

p-value computed

printData

public java.lang.String printData()

Prints the data stored in the test

Specified by:

printData in class StatisticalTest

Returns:

Data stored

printReport

public java.lang.String printReport()

Prints a report with the results of the test

Specified by:

printReport in class StatisticalTest

Returns:

Output report