public tfidf(NGramsEnum ngrams, CutThresholdEnum cutThreshold)
{
_Ngrams = ngrams;
_CutThreshold = cutThreshold;
_WordsByDocsHashset = new HashSet <string>();
_DocWordsList = new List <Dictionary <string, int> >();
_WordsCountByDocList = new List <int>();
_Sb = new StringBuilder();
}
private static float?GetCutPercent(NGramsEnum ngrams, CutThresholdEnum cutThreshold)
{
switch (cutThreshold)
{
//case CutThresholdEnum.cut_0: return (null);
case CutThresholdEnum.cut_1:
{
switch (ngrams)
{
case NGramsEnum.ngram_1: return(100 - 5);
case NGramsEnum.ngram_2: return(100 - 50);
case NGramsEnum.ngram_3: return(100 - 85);
case NGramsEnum.ngram_4: return(100 - 95);
//default: return (null);
}
}
break;
case CutThresholdEnum.cut_2:
{
switch (ngrams)
{
case NGramsEnum.ngram_1: return(100 - 50);
case NGramsEnum.ngram_2: return(100 - 85);
case NGramsEnum.ngram_3: return(100 - 95);
case NGramsEnum.ngram_4: return(100 - 98);
//default: return (null);
}
}
break;
//default: return (null);
}
return(null);
}