Java Variance Variance(double[] in, double mean)

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Description

Variance

License

Open Source License

Declaration 

public static final double Variance(double[] in, double mean)

Method Source Code

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

public class Main {
    public static final double Variance(double[] in, double mean) {
        double sum = 0.0;
        int nelem = 0;
        for (int i = 0, s = in.length; i < s; i++)
            sum += (in[i] - mean) * (in[i] - mean);
        return sum / (in.length - 1.0);
    }//from   w  ww .  j  av  a  2 s .  c  o  m
}

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