hybridTfIdfSimilarity function
Check similarity between 2 documents using Hybrid TF-IDF metric.
Default distanceFunction is cosineDistance
Implementation
double hybridTfIdfSimilarity(
String document1, String document2, List<String> background,
{distanceFunction = cosineDistance,
String Function(String)? stemmer,
List<String>? stopwords}) {
List<List<double?>> vectorList = hybridTfIdfMatrix(
[document1, document2, ...background],
stemmer: stemmer, stopwords: stopwords);
return 1.0 - distanceFunction(vectorList[0], vectorList[1]);
}