def tfidf(t, d, D):
tf = float(d.count(t)) / sum(d.count(w) for w in set(d))
idf = sp.log(float(len(D)) / (len([doc for doc in D if t in doc])))
return tf * idf
tfidf.py 文件源码
python
阅读 59
收藏 0
点赞 0
评论 0
评论列表
文章目录
