protected override void EndProcessing()
{
var hypo = TestingHelper.GetTwoSampleHypothesis(Alternate);
TwoSampleSignTest test;
if (ParameterSetName == "Pipeline")
{
test = new TwoSampleSignTest(_data[Sample1Name].ToDoubleArray(), _data[Sample2Name].ToDoubleArray(), hypo);
}
else
{
test = new TwoSampleSignTest(Sample1, Sample2, hypo);
}
test.Size = Size;
WriteObject(test);
}
public void SignTestConstructorTest2()
{
int positives = 9;
int negatives = 1;
{
TwoSampleSignTest target = new TwoSampleSignTest(positives, positives + negatives,
TwoSampleHypothesis.FirstValueIsSmallerThanSecond);
Assert.AreEqual(TwoSampleHypothesis.FirstValueIsSmallerThanSecond, target.Hypothesis);
Assert.AreEqual(0.010742, target.PValue, 1e-5);
Assert.IsTrue(target.Significant);
}
{
TwoSampleSignTest target = new TwoSampleSignTest(negatives, positives + negatives,
TwoSampleHypothesis.FirstValueIsGreaterThanSecond);
Assert.AreEqual(TwoSampleHypothesis.FirstValueIsGreaterThanSecond, target.Hypothesis);
Assert.AreEqual(0.010742, target.PValue, 1e-5);
Assert.IsTrue(target.Significant);
}
}
public void SignTestConstructorTest()
{
// Example from http://probabilityandstats.wordpress.com/2010/02/28/the-sign-test-more-examples/
double[] sample1 = { 17, 26, 16, 28, 23, 35, 41, 18, 30, 29, 45, 8, 38, 31, 36 };
double[] sample2 = { 21, 26, 19, 26, 30, 40, 43, 15, 29, 31, 46, 7, 43, 31, 37 };
{
TwoSampleSignTest target = new TwoSampleSignTest(sample1, sample2,
TwoSampleHypothesis.FirstValueIsSmallerThanSecond);
Assert.AreEqual(TwoSampleHypothesis.FirstValueIsSmallerThanSecond, target.Hypothesis);
Assert.AreEqual(0.1334, target.PValue, 1e-4);
Assert.IsFalse(target.Significant);
}
{
TwoSampleSignTest target = new TwoSampleSignTest(sample2, sample1,
TwoSampleHypothesis.FirstValueIsGreaterThanSecond);
Assert.AreEqual(TwoSampleHypothesis.FirstValueIsGreaterThanSecond, target.Hypothesis);
Assert.AreEqual(0.1334, target.PValue, 1e-4);
Assert.IsFalse(target.Significant);
}
}
