程序包 org.hipparchus.stat.descriptive

类 StreamingStatisticsTest

java.lang.Object
org.hipparchus.stat.descriptive.StreamingStatisticsTest
public class StreamingStatisticsTest extends Object
StreamingStatistics类的测试用例。

  • 构造器详细资料

    • StreamingStatisticsTest

      public StreamingStatisticsTest()

  • 方法详细资料

    • createStreamingStatistics

      protected StreamingStatistics createStreamingStatistics()

    • testStats

      public void testStats()
      测试统计数据

    • testConsume

      public void testConsume()

    • testN0andN1Conditions

      public void testN0andN1Conditions()

    • testProductAndGeometricMean

      public void testProductAndGeometricMean()

    • testNaNContracts

      public void testNaNContracts()

    • testGetSummary

      public void testGetSummary()

    • testSerialization

      public void testSerialization()

    • testEqualsAndHashCode

      public void testEqualsAndHashCode()

    • testCopy

      public void testCopy()

    • testQuadraticMean

      public void testQuadraticMean()

    • testToString

      public void testToString()

    • testAggregationConsistency

      public void testAggregationConsistency()
      验证对分区进行聚合与直接计算得到相同结果。1) 随机生成一个包含10-100个值的数据集，取值范围为[-100, 100] 2) 将数据集分成2-5个分区 3) 为每个分区创建一个AggregateSummaryStatistic和ContributingStatistics 4) 将AggregateSummaryStatistic的结果与由提供完整数据集的单个SummaryStatistics实例返回的值进行比较。

    • testAggregateDegenerate

      public void testAggregateDegenerate()

    • testAggregateSpecialValues

      public void testAggregateSpecialValues()

    • testBuilderDefault

      public void testBuilderDefault()

    • testBuilderPercentilesOn

      public void testBuilderPercentilesOn()

    • testBuilderMomentsOff

      public void testBuilderMomentsOff()

    • testBuilderSumOfLogsOff

      public void testBuilderSumOfLogsOff()

    • testBuilderExtremaOff

      public void testBuilderExtremaOff()

    • testBuilderSumOfSquares

      public void testBuilderSumOfSquares()

    • assertSummaryStatisticsEquals

      protected static void assertSummaryStatisticsEquals(StreamingStatistics expected, StreamingStatistics observed, double delta)
      验证了StatisticalSummary和StatisticalSummaryValues在delta范围内相等，NaN和无穷大在相同位置返回。对于最大值、最小值、n值，必须完全一致，delta仅用于总和、均值、方差、标准差。