Java Mean Calculate computeMeanSquaredError(double[] trueValues, double[] predValues)

Description

compute Mean Squared Error

License

Apache License

Declaration

public static double computeMeanSquaredError(double[] trueValues, double[] predValues) 

Method Source Code

//package com.java2s;
//License from project: Apache License 

public class Main {
    public static double computeMeanSquaredError(double[] trueValues, double[] predValues) {
        double sse = 0.0;
        for (int i = 0; i < trueValues.length; i++) {
            double diff = trueValues[i] - predValues[i];
            sse += diff * diff;/*from   w ww  . j  av a  2  s .  co  m*/
        }
        return sse / trueValues.length;
    }
}

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