程序包 org.hipparchus.stat.descriptive.moment

类 VarianceTest

java.lang.Object

org.hipparchus.stat.descriptive.UnivariateStatisticAbstractTest

org.hipparchus.stat.descriptive.StorelessUnivariateStatisticAbstractTest

org.hipparchus.stat.descriptive.moment.VarianceTest

       public class VarianceTest extends StorelessUnivariateStatisticAbstractTest
      

Variance类的测试用例。

字段概要

从类继承的字段 org.hipparchus.stat.descriptive.StorelessUnivariateStatisticAbstractTest

smallSamples

从类继承的字段 org.hipparchus.stat.descriptive.UnivariateStatisticAbstractTest

fourthMoment, geoMean, identicalWeightsArray, kurt, max, mean, median, min, percentile5, percentile95, product, secondMoment, skew, std, sum, sumLog, sumSq, testArray, testWeightsArray, thirdMoment, tolerance, unitWeightsArray, var, weightedMean, weightedProduct, weightedStd, weightedSum, weightedVar

构造器概要

构造器

构造器	说明
VarianceTest()

方法概要

修饰符和类型	方法	说明
double	expectedValue()	UnivariateStatisticAbstractTest中定义的testArray的预期值
double	expectedWeightedValue()	UnivariateStatisticAbstractTest中定义的testArray的预期值
Variance	getUnivariateStatistic()	返回统计量的新实例
protected double	populationVariance(double[] v)	总体方差的定义公式
void	testNaN()	确保当n = 0时返回Double.NaN
void	testPopulation()	测试方差的总体版本
void	testWeightedVariance()

从类继承的方法 org.hipparchus.stat.descriptive.StorelessUnivariateStatisticAbstractTest

checkClearValue, testAggregate, testConsistency, testConsume, testCopyConsistency, testEqualsAndHashCode, testEvaluateInternalState, testIncrementation, testMomentSmallSamples, testSerial, testSerialization

从类继承的方法 org.hipparchus.stat.descriptive.UnivariateStatisticAbstractTest

getTolerance, testCopy, testCopyData, testEvaluateArraySegment, testEvaluateArraySegmentWeighted, testEvaluation, testWeightedConsistency

从类继承的方法 java.lang.Object

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

构造器详细资料

VarianceTest

             public VarianceTest()
            

方法详细资料

getUnivariateStatistic

             public Variance getUnivariateStatistic()
            

从类复制的说明: StorelessUnivariateStatisticAbstractTest

返回统计量的新实例

指定者:

getUnivariateStatistic 在类中 StorelessUnivariateStatisticAbstractTest

expectedValue

             public double expectedValue()
            

从类复制的说明: StorelessUnivariateStatisticAbstractTest

UnivariateStatisticAbstractTest中定义的testArray的预期值

指定者:

expectedValue 在类中 StorelessUnivariateStatisticAbstractTest

expectedWeightedValue

             public double expectedWeightedValue()
            

UnivariateStatisticAbstractTest中定义的testArray的预期值

testNaN

             public void testNaN()
            

确保当n = 0时返回Double.NaN

testPopulation

             public void testPopulation()
            

测试方差的总体版本

populationVariance

             protected double populationVariance(double[] v)
            

总体方差的定义公式

testWeightedVariance

             public void testWeightedVariance()