首页name 'CountVectorizer' is not defined

name 'CountVectorizer' is not defined

时间: 2023-09-06 12:07:34 浏览: 600

Python中对错误NameError: name ‘xxx’ is not defined进行总结

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最近在使用python过重遇到这个问题，NameError: name 'xxx' is not defined，在学习python或者在使用python的过程中这个问题大家肯定都遇到过，在这里我就这个问题总结以下几种情况：错误NameError: name ‘xxx’ is not defined总结情况一：要加双引号（” “）或者（’ ‘）而没加情况二：字符缩进格式的问题情况三：`if __name__==’__main__’ :` 没有和`class类`进行对齐情况四：NameError: name ‘file’ is not defined情况五：NameError: name ‘模

The error message "name 'CountVectorizer' is not defined" typically indicates that you are trying to use the `CountVectorizer` class from scikit-learn but you have not imported it or scikit-learn itself. To resolve this issue, you can add the following import statement at the beginning of your Python script: ```python from sklearn.feature_extraction.text import CountVectorizer ``` This will import the `CountVectorizer` class from scikit-learn and make it available for use in your script.

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