public double CalculateDistance(IDistribution <T> obj1, IDistribution <T> obj2)
{
double result =
obj1.DistinctRepresentedEvents.Union(obj2.DistinctRepresentedEvents)
.Select(ngram => Math.Abs(obj1.GetEventFrequency(ngram) - obj2.GetEventFrequency(ngram)))
.Sum() / 2;
return(result);
}
public double CalculateDistance(IDistribution <string> languageModel1, IDistribution <string> languageModel2)
{
double result =
1.0 -
languageModel1.DistinctRepresentedEvents.Intersect(languageModel2.DistinctRepresentedEvents)
.Select(ngram => Math.Min(languageModel1.GetEventFrequency(ngram), languageModel2.GetEventFrequency(ngram)))
.Sum();
return(result);
}