Example usage for org.apache.commons.math3.stat.inference TTest pairedTTest

Introduction

In this page you can find the example usage for org.apache.commons.math3.stat.inference TTest pairedTTest.

Prototype

public boolean pairedTTest(final double[] sample1, final double[] sample2, final double alpha)
        throws NullArgumentException, NoDataException, DimensionMismatchException, NumberIsTooSmallException,
        OutOfRangeException, MaxCountExceededException 

Source Link

Document

Performs a paired t-test evaluating the null hypothesis that the mean of the paired differences between sample1 and sample2 is 0 in favor of the two-sided alternative that the mean paired difference is not equal to 0, with significance level alpha.

Usage

From source file:org.mines.processing.utils.ResultsTable.java

private boolean signifTest(double[] s1, double[] s2) {
    if (significanceTest == SigTest.TTEST) {
        TTest ttest = new TTest();
        return ttest.tTest(s1, s2, pValue);

    }/*  w w  w.  j  a  v a2 s  .c  o  m*/
    if (significanceTest == SigTest.PAIRED_TTEST) {
        TTest ttest = new TTest();
        return ttest.pairedTTest(s1, s2, pValue);

    }
    if (significanceTest == SigTest.MANN_WHITNEY_U) {
        MannWhitneyUTest mwuTest = new MannWhitneyUTest();
        return mwuTest.mannWhitneyUTest(s1, s2) < pValue;
    }
    if (significanceTest == SigTest.WILCOXON_SIGNED_RANK) {
        WilcoxonSignedRankTest wsrTest = new WilcoxonSignedRankTest();
        return wsrTest.wilcoxonSignedRankTest(s1, s2, true) < pValue;
    }
    return false;
}

---