Java mean mean(double[] vector)

Description

Returns the mean of the vector.

License

Apache License

Parameter

Parameter	Description
vector	The input vector as a double array

Return

The mean of the vector

Declaration

public static double mean(double[] vector) 

Method Source Code

//package com.java2s;
/*//from  w  w w.  ja  v  a 2 s. c o  m
 * Copyright (c) 2015 Vehbi Sinan Tunalioglu <vst@vsthost.com>, Tolga Sezer <tolgasbox@gmail.com>.
 *
 * Licensed 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
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

public class Main {
    /**
     * Returns the mean of the vector.
     *
     * @param vector The input vector as a double array
     * @return The mean of the vector
     */
    public static double mean(double[] vector) {
        return sum(vector) / vector.length;
    }

    /**
     * Returns the sum of the vector.
     *
     * @param vector The input vector as a double array
     * @return The sum of the vector
     */
    public static double sum(double[] vector) {
        // Declare and initialize the accumulator:
        double total = 0.0;

        // Iterate over the vector:
        for (int i = 0; i < vector.length; i++) {
            total += vector[i];
        }

        // Done, return:
        return total;
    }
}

Related

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