internal static void CompareResults(TLSimilarityMatrix oracle, TLSimilarityMatrix results, IEnumerable <string> rawMethods)
{
Console.WriteLine("Comparing results...");
Assert.AreEqual(oracle.Count, results.Count);
foreach (string oracleMethod in oracle.GetSetOfTargetArtifactIdsAboveThresholdForSourceArtifact("trace"))
{
string rawMethod = rawMethods.ElementAt(Convert.ToInt32(oracleMethod) - 1);
string method = rawMethod.Substring(0, rawMethod.IndexOf('('));
//Console.WriteLine(oracleMethod + ": " + method);
Assert.IsTrue(results.IsLinkAboveThreshold("trace", method));
Assert.AreEqual(oracle.GetScoreForLink("trace", oracleMethod), results.GetScoreForLink("trace", method), Settings.Default.DoublePrecision);
}
}
/// <summary>
/// Performs an affine transformation on two similarity matrices.
/// </summary>
/// <param name="large">Large expert</param>
/// <param name="small">Small expert</param>
/// <param name="lambda">Weight given to large expert</param>
/// <returns>Transformed similarities</returns>
public static TLSimilarityMatrix Transform(TLSimilarityMatrix large, TLSimilarityMatrix small, double lambda)
{
TLSimilarityMatrix largeNormal = Normalize(large);
TLSimilarityMatrix smallNormal = Normalize(small);
TLSimilarityMatrix combined = new TLSimilarityMatrix();
foreach (TLSingleLink largeLink in largeNormal.AllLinks)
{
double smallLink = smallNormal.GetScoreForLink(largeLink.SourceArtifactId, largeLink.TargetArtifactId);
combined.AddLink(largeLink.SourceArtifactId, largeLink.TargetArtifactId, Combine(largeLink.Score, smallLink, lambda));
}
return(combined);
}
public void ComputeLSA()
{
TLArtifactsCollection source = TermDocumentMatrix.Load(@"../../Data/LSA/source.txt").ToTLArtifactsCollection();
TLArtifactsCollection target = TermDocumentMatrix.Load(@"../../Data/LSA/target.txt").ToTLArtifactsCollection();
REngine engine = new REngine(Settings.Default.RScriptEXE);
TLSimilarityMatrix matrix = (TLSimilarityMatrix)engine.Execute(new LSAScript(source, target, new LSAConfig {
Dimensions = 3
}));
TLSimilarityMatrix correct = Similarities.Import(@"../../Data/LSA/correct.txt");
foreach (TLSingleLink link in matrix.AllLinks)
{
Assert.AreEqual(correct.GetScoreForLink(link.SourceArtifactId, link.TargetArtifactId),
link.Score,
Settings.Default.DoublePrecision
);
}
}
