Java Array Normalize normalize(double[] data)

Description

normalize histogram, sum of all fractional counts = 1.

License

Open Source License

Declaration

public static double[] normalize(double[] data) 

Method Source Code

//package com.java2s;
//License from project: Open Source License 

public class Main {
    /**/*  w w w . ja  v a2 s. c  o m*/
     * normalize histogram, sum of all fractional counts = 1.
     *
     */
    public static double[] normalize(double[] data) {

        double[] norm = new double[data.length];
        double total_sum = 0.0;

        for (int i = 0; i < data.length; ++i) {
            total_sum += data[i];
        }

        for (int i = 0; i < data.length; ++i) {
            norm[i] = data[i] / total_sum;
        }

        return norm;
    }
}

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