public double tfidf(int linenumber, string word)
{
double tf = 0;
double idf = 0;
Aux_SentenceInfo temp = Data.ListofSentenceInfo[linenumber];
foreach (var item in temp.ListofWordsInfo)
{
if (item.word == word)
{
int count = 0;
foreach (var p in temp.ListofWordsInfo)
{
count += p.count;
}
tf = (double)item.count / (double)count;
break;
}
}
idf = Math.Log10((double)Data.totalines / (double)Data.DicofWords[word].Count);
return(tf * idf);
}
private void GetAllSentenceInfo(List <string> ListofFileInfo)
{
int linenum = 0;
foreach (var path in ListofFileInfo)
{
StreamReader sr = new StreamReader(path, Encoding.UTF8);
String line;
while ((line = sr.ReadLine()) != null)
{
totalines++;
ListofSentences.Add(line);
Aux_SentenceInfo temp = new Aux_SentenceInfo(linenum++);
foreach (var item in GetIndependentWord(line))
{
bool judge = true;
foreach (var p in temp.ListofWordsInfo)
{
if (p.word == item)
{
p.count++;
judge = false;
break;
}
}
if (judge)
{
Aux_WordsInfo st = new Aux_WordsInfo(item);
temp.ListofWordsInfo.Add(st);
}
}
ListofSentenceInfo.Add(temp);
}
}
}
