词干函数错误:词干需要一个位置参数 [英] stem function error: stem required one positional argument

问题描述

此处stem函数显示错误，说明stem需要一个循环中的位置参数，如所讨论的那样?

here stem function shows error saying that stem required one positional argument in loop as in question?

from nltk.stem import PorterStemmer as ps 

text='my name is pythonly and looking for a pythonian group to be formed by me iteratively'

words = word_tokenize(text)

for word in words:
    print(ps.stem(word))

推荐答案

你需要实例化一个 PorterStemmer 对象

You need to instantiate a PorterStemmer object

from nltk.stem import PorterStemmer as ps
from nltk.tokenize import word_tokenize

stemmer = ps()

text = 'my name is pythonly and looking for a pythonian group to be formed by me iteratively'
words = word_tokenize(text)
for t in words:
    print(t, stemmer.stem(t))

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