SemiVarianceTest (Commons Math 3.2 Test API)

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org.apache.commons.math3.stat.descriptive.moment
Class SemiVarianceTest

java.lang.Object
  org.apache.commons.math3.stat.descriptive.moment.SemiVarianceTest

public class SemiVarianceTest
extends Object
extends Object

Constructor Summary
`SemiVarianceTest()`

Method Summary
`void`	`testInsufficientData()`
`void`	`testNonMeanCutoffs()`
`void`	`testNoVariance()`
`void`	`testPopulation()`
`void`	`testSample()`
`void`	`testSingleDown()`
`void`	`testSingleUp()`
`void`	`testVarianceDecompMeanCutoff()` Check that the lower + upper semivariance against the mean sum to the variance.
`void`	`testVarianceDecompNonMeanCutoff()` Check that upper and lower semivariances against a cutoff sum to the sum of squared deviations of the full set of values against the cutoff divided by df = length - 1 (assuming bias-corrected).

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

SemiVarianceTest

public SemiVarianceTest()

Method Detail

testInsufficientData

public void testInsufficientData()

testSingleDown

public void testSingleDown()

testSingleUp

public void testSingleUp()

testSample

public void testSample()

testPopulation

public void testPopulation()

testNonMeanCutoffs

public void testNonMeanCutoffs()

testVarianceDecompMeanCutoff

public void testVarianceDecompMeanCutoff()

Check that the lower + upper semivariance against the mean sum to the variance.

testVarianceDecompNonMeanCutoff

public void testVarianceDecompNonMeanCutoff()

Check that upper and lower semivariances against a cutoff sum to the sum of squared deviations of the full set of values against the cutoff divided by df = length - 1 (assuming bias-corrected).

testNoVariance

public void testNoVariance()