Package com.whylogs.core.statistics.datatypes

Class VarianceTracker

java.lang.Object
com.whylogs.core.statistics.datatypes.VarianceTracker
public class VarianceTracker
extends java.lang.Object

  • Constructor Summary

    Constructors
    Constructor Description
    VarianceTracker()  

  • Method Summary

    Modifier and Type Method Description
    void add​(VarianceTracker other)
    https://en.wikipedia.org/wiki/Algorithms_for_calculating_variance#Parallel_algorithm
    static VarianceTracker fromProtobuf​(com.whylogs.core.message.VarianceMessage message)  
    VarianceTracker merge​(VarianceTracker other)  
    double stddev()  
    com.whylogs.core.message.VarianceMessage.Builder toProtobuf()  
    void update​(double newValue)  
    double variance()  

    Methods inherited from class java.lang.Object

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

  • Constructor Details

    • VarianceTracker

      public VarianceTracker()

  • Method Details

    • update

      public void update​(double newValue)

    • stddev

      public double stddev()
      Returns:
      sample standard deviation

    • variance

      public double variance()
      Returns:
      the sample variance

    • add

      public void add​(VarianceTracker other)
      https://en.wikipedia.org/wiki/Algorithms_for_calculating_variance#Parallel_algorithm

    • merge

      public VarianceTracker merge​(VarianceTracker other)

    • toProtobuf

      public com.whylogs.core.message.VarianceMessage.Builder toProtobuf()

    • fromProtobuf

      public static VarianceTracker fromProtobuf​(com.whylogs.core.message.VarianceMessage message)