List of tTest() Examples

Examples of tTest()

org.apache.commons.math.stat.inference.TTestImpl.tTest()
asic.nwu.edu/statguidefiles/ttest_unpaired_ass_viol.html">here
Preconditions:
- The observed array length must be at least 2.
@param mu constant value to compare sample mean against @param sample array of sample data values @return p-value @throws IllegalArgumentException if the precondition is not met @throws MathException if an error occurs computing the p-value
org.apache.commons.math3.stat.inference.TTest.tTest()
asic.nwu.edu/statguidefiles/ttest_unpaired_ass_viol.html">here
Preconditions:
- The observed array length must be at least 2.
@param mu constant value to compare sample mean against @param sample array of sample data values @return p-value @throws NullArgumentException if the sample array is null @throws NumberIsTooSmallException if the length of the array is < 2 @throws MaxCountExceededException if an error occurs computing the p-value

Examples of org.apache.commons.math.stat.inference.TTestImpl.tTest()

  private String getPvalue(DescriptiveStatistics group1,
      DescriptiveStatistics group2) {
    TTestImpl ttest = new TTestImpl();
    String sig = "";
    try {
      double pValue = ttest.tTest(group1, group2);
      if (pValue < 0.05) {
        sig = "*";
      }
      if (pValue < 0.01) {
        sig = "**";

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Examples of org.apache.commons.math3.stat.inference.TTest.tTest()

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


    } else {
      MannWhitneyUTest mwuTest = new MannWhitneyUTest();
      return mwuTest.mannWhitneyUTest(s1, s2) < pValue;
    }

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