public void TTestConstructorTest2()
{
double[] sample =
{
0, 1, 3, 0, 2, 4, 2, 0, 4
};
var target = new GrubbTest(sample, GrubbTestHypothesis.ThereAreOutliers);
Assert.AreEqual(1.3537948868448253, target.Statistic);
Assert.AreEqual(GrubbTestHypothesis.ThereAreOutliers, target.Hypothesis);
Assert.AreEqual(DistributionTail.OneUpper, target.Tail);
Assert.AreEqual(2.1095617886142675, target.CriticalValue);
Assert.AreEqual(0.733289986283244, target.PValue);
Assert.IsFalse(target.Significant);
target = new GrubbTest(sample, GrubbTestHypothesis.TheMinimumIsAnOutlier);
Assert.AreEqual(1.0830359094758602, target.Statistic);
Assert.AreEqual(GrubbTestHypothesis.TheMinimumIsAnOutlier, target.Hypothesis);
Assert.AreEqual(DistributionTail.OneUpper, target.Tail);
Assert.AreEqual(2.1095617886142675, target.CriticalValue);
Assert.AreEqual(1.0, target.PValue);
Assert.IsFalse(target.Significant);
}
public void TTestConstructorTest()
{
// http://www.itl.nist.gov/div898/handbook/eda/section3/eda35h1.htm
double[] sample =
{
199.31, 199.53, 200.19, 200.82, 201.92, 201.95, 202.18, 245.57
};
// Null Hypothesis: there are no outliers in the data
// Alternative : there is at least one outlier
var target = new GrubbTest(sample, GrubbTestHypothesis.TheMaximumIsAnOutlier);
Assert.AreEqual(2.4687646112124519, target.Statistic);
Assert.AreEqual(GrubbTestHypothesis.TheMaximumIsAnOutlier, target.Hypothesis);
Assert.AreEqual(DistributionTail.OneUpper, target.Tail);
Assert.AreEqual(2.031652001549944, target.CriticalValue);
Assert.AreEqual(1.5013193443991213E-07, target.PValue);
Assert.IsTrue(target.Significant);
}
public void grubb_test_change_size()
{
// https://github.com/accord-net/framework/issues/759
double[] sample =
{
199.31, 199.53, 200.19, 200.82, 201.92, 201.95, 202.18, 245.57
};
// Null Hypothesis: there are no outliers in the data
// Alternative : there is at least one outlier
var target = new GrubbTest(sample, GrubbTestHypothesis.TheMaximumIsAnOutlier)
{
Size = 1e-8
};
Assert.AreEqual(2.4687646112124519, target.Statistic);
Assert.AreEqual(GrubbTestHypothesis.TheMaximumIsAnOutlier, target.Hypothesis);
Assert.AreEqual(DistributionTail.OneUpper, target.Tail);
Assert.AreEqual(2.4723982413556524, target.CriticalValue);
Assert.AreEqual(1.5013193443991213E-07, target.PValue);
Assert.IsFalse(target.Significant);
}
