Java Median median(ArrayList values)

Description

It calculates the median value of the given set of values

License

Open Source License

Parameter

Parameter	Description
values	a parameter

Declaration

public static double median(ArrayList<Double> values) 

Method Source Code

//package com.java2s;
/*//from ww w  .  j  av  a2  s.  c  o  m
 * The MIT License
 *
 * Copyright 2016 angel.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

import java.util.ArrayList;

public class Main {
    /**
     * It calculates the median value of the given set of values
     *
     * @param values
     * @return
     */
    public static double median(ArrayList<Double> values) {

        values.sort(null);
        int middle = values.size() / 2;
        if (values.size() % 2 == 1) {
            return values.get(middle);
        } else {
            return (values.get(middle - 1) + values.get(middle)) / 2.0;
        }

    }
}

Related

1. getMedian(double[] a)
2. getmedian(double[] vals, int nvalindex)
3. getMedian(int[] array)
4. getMedianValue(ArrayList values)
5. median(ArrayList v)
6. Median(ArrayList values)
7. median(double... a)
8. median(double[] a)
9. median(double[] a)