tar*_*pka 66
考虑使用isnull()查找缺失值
all_df[all_df['City'].isnull()]
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试试这个只选择None城市列的值:
new_df = all_df['City'][all_df['City'] == "None"]
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试试这个以查看具有相同行的所有其他列 'City'==None
new_df = all_df[all_df['City'] == "None"]
print(new_df.head()) # with function head() you can see the first 5 rows
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