public void DocumentTermCovarianceMatrix_SimpleExample_FindSynonyms()
{
var analyser = new CorpusAnalyser(new[] {
"a b b b x",
"a a b b b b y",
"a a a b b b b b z"
});
foreach (var term in analyser.Terms)
{
Console.Write("{0} {1}\t", term.Index, term.Label);
}
Console.WriteLine();
analyser.DocumentTermMatrix.WriteAsCsv(Console.Out, '\t', 2);
Console.WriteLine();
analyser.DocumentTermCovarianceMatrix.WriteAsCsv(Console.Out, '\t', 2);
foreach(var synGroup in analyser.FindCorrelations(0.1))
{
Console.Write(synGroup.Key.Label + ": ");
foreach (var syn in synGroup.Value)
{
Console.Write(syn.Key.Label + ", ");
}
Console.WriteLine();
}
}
public void DocumentTermCovarianceMatrix()
{
var docs = TestData.TestCorpus().Select(t => XDocument.Parse(t)).ToList().AsQueryable();
var analyser = new CorpusAnalyser(docs.Select(x => x.Root.Value));
analyser.DocumentTermCovarianceMatrix.WriteAsCsv(Console.Out);
}