Java mean mean(Double[] array)

Description

Returns the mean of values in an array

License

Open Source License

Parameter

Parameter	Description
array	a parameter

Return

The mean of the array

Declaration

public static double mean(Double[] array) 

Method Source Code

//package com.java2s;
/*//www.j  ava  2s  .  c  om
 *  OpenmlApiConnector - Java integration of the OpenML Web API
 *  Copyright (C) 2014 
 *  @author Jan N. van Rijn (j.n.van.rijn@liacs.leidenuniv.nl)
 *  
 *  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.
 *  
 *  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.
 *  
 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *  
 */

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

    /**
     * Returns the sum of values in an array. 
     * 
     * @param array
     * @return The sum of values in the array
     */
    public static double sum(Double[] array) {
        double total = 0;
        for (double add : array)
            total += add;
        return total;
    }
}

Related

1. mean(double[] a, int from, int to)
2. mean(double[] a, int n)
3. mean(double[] aArray)
4. mean(double[] an)
5. mean(double[] arr)
6. mean(double[] array)
7. mean(double[] data)
8. mean(double[] data)
9. mean(double[] doubleArray)