Package org.apache.commons.math.stat.descriptive

Interface WeightedEvaluation

  • All Known Implementing Classes:
    Mean, Product, Variance
    public interface WeightedEvaluation
    Weighted evaluation for statistics.
    Since:
    2.1
    Version:
    $Revision: 894474 $ $Date: 2009-12-29 21:02:37 +0100 (mar. 29 déc. 2009) $

    • Method Summary

      All Methods Instance Methods Abstract Methods 
      Modifier and Type Method Description
      double evaluate​(double[] values, double[] weights)
      Returns the result of evaluating the statistic over the input array, using the supplied weights.
      double evaluate​(double[] values, double[] weights, int begin, int length)
      Returns the result of evaluating the statistic over the specified entries in the input array, using corresponding entries in the supplied weights array.

    • Method Detail

      • evaluate

        double evaluate​(double[] values,
                double[] weights)
        Returns the result of evaluating the statistic over the input array, using the supplied weights.
        Parameters:
        values - input array
        weights - array of weights
        Returns:
        the value of the weighted statistic applied to the input array

      • evaluate

        double evaluate​(double[] values,
                double[] weights,
                int begin,
                int length)
        Returns the result of evaluating the statistic over the specified entries in the input array, using corresponding entries in the supplied weights array.
        Parameters:
        values - the input array
        weights - array of weights
        begin - the index of the first element to include
        length - the number of elements to include
        Returns:
        the value of the weighted statistic applied to the included array entries