Python从 pandas 数据框中删除停用词 [英] Python remove stop words from pandas dataframe
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问题描述
我想从"tweets"列中删除停用词.如何遍历每一行和每一项?
I want to remove the stop words from my column "tweets". How do I iterative over each row and each item?
pos_tweets = [('I love this car', 'positive'),
('This view is amazing', 'positive'),
('I feel great this morning', 'positive'),
('I am so excited about the concert', 'positive'),
('He is my best friend', 'positive')]
test = pd.DataFrame(pos_tweets)
test.columns = ["tweet","class"]
test["tweet"] = test["tweet"].str.lower().str.split()
from nltk.corpus import stopwords
stop = stopwords.words('english')
推荐答案
使用列表理解
test['tweet'].apply(lambda x: [item for item in x if item not in stop])
返回:
0 [love, car]
1 [view, amazing]
2 [feel, great, morning]
3 [excited, concert]
4 [best, friend]
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