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Commons Math example source code file (

This example Commons Math source code file ( is included in the "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Commons Math tags/keywords

weightedevaluation, weightedevaluation

The Commons Math source code

 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * See the License for the specific language governing permissions and
 * limitations under the License.
package org.apache.commons.math.stat.descriptive;

 * Weighted evaluation for statistics.
 * @since 2.1
 * @version $Revision: 894474 $ $Date: 2009-12-29 15:02:37 -0500 (Tue, 29 Dec 2009) $
public interface WeightedEvaluation {

     * Returns the result of evaluating the statistic over the input array,
     * using the supplied weights.
     * @param values input array
     * @param weights array of weights
     * @return the value of the weighted statistic applied to the input array
    double evaluate(double[] values, double[] weights);

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


Other Commons Math examples (source code examples)

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