Java mean mean(double[] values)

Description

Computes the mean of the values in the given array.

License

Open Source License

Parameter

Parameter	Description
values	a parameter

Return

the mean of the values in the given array.

Declaration

public static double mean(double[] values) 

Method Source Code

//package com.java2s;
/** A collection of mathematical utility functions.
 * <p>/*w  ww . ja  va  2  s .co m*/
 * Copyright (c) 2008 Eric Eaton
 * <p>
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * <p>
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * <p>
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see http://www.gnu.org/licenses/.
 *
 * @author Eric Eaton (EricEaton@umbc.edu) <br>
 *         University of Maryland Baltimore County
 *
 * @version 0.1
 *
 */

public class Main {
    /** Computes the mean of the values in the given array.
     * @param values
     * @return the mean of the values in the given array.
     */
    public static double mean(double[] values) {
        return sum(values) / values.length;
    }

    /** Computes the mean of the values in the given array.
     * @param values
     * @return the mean of the values in the given array.
     */
    public static double mean(int[] values) {
        return ((double) sum(values)) / values.length;
    }

    /** Sums the values in the given array.
     * @param values
     * @return the sum of the values in the given array.
     */
    public static double sum(double[] values) {
        double sumValue = 0;
        for (double val : values) {
            sumValue += val;
        }
        return sumValue;
    }

    /** Sums the values in the given array.
     * @param values
     * @return the sum of the values in the given array.
     */
    public static int sum(int[] values) {
        int sumValue = 0;
        for (int val : values) {
            sumValue += val;
        }
        return sumValue;
    }
}

Related

1. mean(double[] data)
2. mean(double[] nums)
3. mean(double[] samples)
4. mean(double[] series)
5. mean(double[] v)
6. mean(double[] vector)
7. mean(double[] x, boolean[] used)
8. mean(double[][] image)
9. mean(double[][] input, int column)