# nlp
自然语言处理：中文分词，打标签，文章匹配相似度
打标签：
extra_tags.py：
关键函数：extarct_tags ，通过help(jieba.analyse.extarct_tags) 查看
函数提示如下：
withWeight：单词权重
allowPOS：单词性质，参看https://wenku.baidu.com/view/49eab3a9ad51f01dc281f1f8.html
withFlag：
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Help on method extract_tags in module jieba.analyse.tfidf:
extract_tags(self, sentence, topK=20, withWeight=False, allowPOS=(), withFlag=False) method of jieba.analyse.tfidf.TFIDF instance
Extract keywords from sentence using TF-IDF algorithm.
Parameter:
- topK: return how many top keywords. `None` for all possible words.
- withWeight: if True, return a list of (word, weight);
if False, return a list of words.
- allowPOS: the allowed POS list eg. ['ns', 'n', 'vn', 'v','nr'].
if the POS of w is not in this list,it will be filtered.
- withFlag: only work with allowPOS is not empty.
if True, return a list of pair(word, weight) like posseg.cut
if False, return a list of words
自然语言处理：中文分词，打标签，文章匹配相似度，机器学习.zip （33个子文件） 
content 
compare.py 2KB
source3.txt 230B XinYU.mm 433B tmp2.txt 16KB 3myfenci.py 657B myfenci.py 508B extra_tags.py 667B tmp3.txt 6KB tmp_3.txt 526B knowleage.md 712B wenben_zhaiyao.py 1KB bak_source.txt 5KB XinYU.mm.index 13B docs deeplearning.txt 55B refer1.txt 11KB sklearn_doc-1.txt 319B 多标签.txt 96B knowledge.md 51B note.md 91B 2extra_tags.py 755B tmp_2.txt 529B source2.txt 10KB source5.txt 10KB spark-meachine-learining 122B dict.txt 187B tmp1.txt 13KB dictionary.txt 588B 3extra_tags.py 879B 4myfenci.py 558B 2myfenci.py 571B README.md 1KB source.txt 5KB sklearn_文本特征提取.txt 6KB资源评论
