org.apache.commons.math.stat.descriptive
Interface UnivariateStatistic

All Known Subinterfaces:
StorelessUnivariateStatistic
All Known Implementing Classes:
AbstractStorelessUnivariateStatistic, AbstractUnivariateStatistic, FirstMoment, FourthMoment, GeometricMean, Kurtosis, Max, Mean, Median, Min, Percentile, Product, SecondMoment, Skewness, StandardDeviation, Sum, SumOfLogs, SumOfSquares, ThirdMoment, Variance

public interface UnivariateStatistic

Base evaluation interface implemented by all statistics.

Includes "stateless" evaluate methods that take double[] arrays as input and return the value of the statistic applied to the input values.

Version:
$Revision: 155427 $ $Date: 2005-02-26 06:11:52 -0700 (Sat, 26 Feb 2005) $

Method Summary
 double evaluate(double[] values)
          Returns the result of evaluating the statistic over the input array.
 double evaluate(double[] values, int begin, int length)
          Returns the result of evaluating the statistic over the specified entries in the input array.
 

Method Detail

evaluate

double evaluate(double[] values)
Returns the result of evaluating the statistic over the input array.

Parameters:
values - input array
Returns:
the value of the statistic applied to the input array

evaluate

double evaluate(double[] values,
                int begin,
                int length)
Returns the result of evaluating the statistic over the specified entries in the input array.

Parameters:
values - the input array
begin - the index of the first element to include
length - the number of elements to include
Returns:
the value of the statistic applied to the included array entries