public void ChiSquare01()
{
FourFoldContingencyTable table = new FourFoldContingencyTable(21, 1, 71, 141);
Assert.IsTrue(table.ChiSquareValidity(0.05D), "FFTQ032");
//Assert.AreEqual(1.48276669831304e-08D, table.ChiSquareValue());
Assert.IsTrue(table.ChiSquareValue() < 1e-07D, "FFTQ033"); // correct value should be 1.48276595040141e-08
}
/// <summary>
/// The 4ft-quantifier chi-square is valid, if the null hypothesis of independence between antecedent and succedent is rejected,
/// thus we say that antecedent and succedent are not independent.
/// </summary>
/// <returns><c>true</c> if the null hypothesis of independence is rejected.</returns>
public override bool Validity(AbstractQuantifierSetting setting, Ice.Current __current)
{
FourFoldContingencyTable table = new FourFoldContingencyTable(setting.firstContingencyTableRows);
return table.ChiSquareValidity(Alpha);
}
public void ChiSquare03()
{
FourFoldContingencyTable table = new FourFoldContingencyTable(252, 143, 847, 602);
Assert.IsFalse(table.ChiSquareValidity(0.05D), "FFTQ036");
Assert.IsTrue(closeEnough(6, table.ChiSquareValue(), 0.0550538165123782D), "FFTQ037");
}
public void ChiSquare02()
{
FourFoldContingencyTable table = new FourFoldContingencyTable(12, 14, 11, 13);
Assert.IsFalse(table.ChiSquareValidity(0.05D), "FFTQ034");
Assert.IsTrue(closeEnough(6, table.ChiSquareValue(), 0.981874933633231), "FFTQ035");
}
