NameError：name'stopwords'is not defined

由于某种原因，我收到错误NameError: name 'stopwords' is not defined，即使我已经安装了该软件包。我试图对一些反馈评论进行自然语言处理。 dataset对象是具有两列的表格，Reviews (a sentence of feedback)和目标变量Liked (1 or 0)。谢谢，谢谢！NameError：name'stopwords'is not defined

块1

import re 
import nltk 
nltk.download('stopwords')

输出1

> [nltk_data] Downloading package stopwords to 

    > [nltk_data]  /Users/user/nltk_data... 

    > [nltk_data] Package stopwords is already up-to-date! 

    > Out[14]: True

块2

dataset['Review'][0] 
review = re.sub('[^a-zA-Z]',' ' ,dataset['Review'][0]) 
review = review.lower() 
review = review.split() 
review = [word for word in review if not word in stopwords.words('english')] **ERROR ON THIS LINE**

输出2

>NameError         Traceback (most recent call last) 
<ipython-input-16-8d0ee1fd7c7f> in <module>() 
     3 review = review.lower() 
     4 review = review.split() 
----> 5 review = [word for word in review if not word in stopwords.words('english')] 

><ipython-input-16-8d0ee1fd7c7f> in <listcomp>(.0) 
     3 review = review.lower() 
     4 review = review.split() 
----> 5 review = [word for word in review if not word in stopwords.words('english')] 

>NameError: name 'stopwords' is not defined

来源

2017-11-25 james

你从nltk.corpus进口禁用词有？ – Nabin

@Nabin哦哇，它的工作！非常感谢。我接下来的教程没有，但它对他们有效，奇怪......再次感谢！ – james

你只需要在代码中使用stopwords之前添加以下行：

from nltk.corpus import stopwords

来源

2017-11-25 12:21:13

谢谢潘娜！我接下来的教程没有，所以我认为这有点奇怪。 – james

不要感谢我的朋友，这是我们互相帮助:) –

NameError：name'stopwords'is not defined

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