public void TestCountTruePositives()
{
Assert.AreEqual(0, FMeasure <object> .CountTruePositives(new object[] {}, new object[] {}));
Assert.AreEqual(gold.Length, FMeasure <object> .CountTruePositives(gold, gold));
Assert.AreEqual(0, FMeasure <object> .CountTruePositives(gold, predictedCompletelyDistinct));
Assert.AreEqual(2, FMeasure <object> .CountTruePositives(gold, predicted));
}
public void TestMerge()
{
var fm = new FMeasure <object>();
fm.UpdateScores(gold, predicted);
fm.UpdateScores(goldToMerge, predictedToMerge);
var fmMerge = new FMeasure <object>();
fmMerge.UpdateScores(gold, predicted);
var toMerge = new FMeasure <object>();
toMerge.UpdateScores(goldToMerge, predictedToMerge);
fmMerge.MergeInto(toMerge);
double selected1 = predicted.Length;
double target1 = gold.Length;
double tp1 = FMeasure <object> .CountTruePositives(gold, predicted);
double selected2 = predictedToMerge.Length;
double target2 = goldToMerge.Length;
double tp2 = FMeasure <object> .CountTruePositives(goldToMerge, predictedToMerge);
Assert.AreEqual((tp1 + tp2) / (target1 + target2), fm.RecallScore, Delta);
Assert.AreEqual((tp1 + tp2) / (selected1 + selected2), fm.PrecisionScore, Delta);
Assert.AreEqual(fm.RecallScore, fmMerge.RecallScore, Delta);
Assert.AreEqual(fm.PrecisionScore, fmMerge.PrecisionScore, Delta);
}