Package org.apache.jena.sparql.expr.aggregate.lib

Class AccStatLib

  • public class AccStatLib
extends java.lang.Object

    • Constructor Summary

      Constructors 
      Constructor Description
      AccStatLib()  

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static double calcVariancePopulation​(double sumSquared, double sum, long N)
      Calculate the variance (population)
      static double calcVarianceSample​(double sumSquared, double sum, long count)
      Calculate the variance (sample)

      • Methods inherited from class java.lang.Object

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

    • Constructor Detail

      • AccStatLib

        public AccStatLib()

    • Method Detail

      • calcVarianceSample

        public static double calcVarianceSample​(double sumSquared,
                                        double sum,
                                        long count)
        Calculate the variance (sample)

      • calcVariancePopulation

        public static double calcVariancePopulation​(double sumSquared,
                                            double sum,
                                            long N)
        Calculate the variance (population)