java.lang.Object
org.apache.commons.math3.stat.descriptive.moment.VectorialMean
All Implemented Interfaces:
Serializable

public class VectorialMean extends Object implements Serializable
Returns the arithmetic mean of the available vectors.
Since:
1.2
See Also:
  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    private final Mean[]
    Means for each component.
    private static final long
    Serializable version identifier
  • Constructor Summary

    Constructors
    Constructor
    Description
    VectorialMean(int dimension)
    Constructs a VectorialMean.
  • Method Summary

    Modifier and Type
    Method
    Description
    boolean
    long
    Get the number of vectors in the sample.
    double[]
    Get the mean vector.
    int
    void
    increment(double[] v)
    Add a new vector to the sample.

    Methods inherited from class java.lang.Object

    clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait
  • Field Details

    • serialVersionUID

      private static final long serialVersionUID
      Serializable version identifier
      See Also:
    • means

      private final Mean[] means
      Means for each component.
  • Constructor Details

    • VectorialMean

      public VectorialMean(int dimension)
      Constructs a VectorialMean.
      Parameters:
      dimension - vectors dimension
  • Method Details

    • increment

      public void increment(double[] v) throws DimensionMismatchException
      Add a new vector to the sample.
      Parameters:
      v - vector to add
      Throws:
      DimensionMismatchException - if the vector does not have the right dimension
    • getResult

      public double[] getResult()
      Get the mean vector.
      Returns:
      mean vector
    • getN

      public long getN()
      Get the number of vectors in the sample.
      Returns:
      number of vectors in the sample
    • hashCode

      public int hashCode()
      Overrides:
      hashCode in class Object
    • equals

      public boolean equals(Object obj)
      Overrides:
      equals in class Object