pandas dataframe modify the value according to the filter result

Others 2021-03-21 13:35:48 views: null

Example:
This is based on 列1 == '旧值'this condition, the 列2designated new value

df.loc[df[(df.列1 == '旧值')].index.tolist(),'列2'] = '新的值'

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Origin blog.csdn.net/weixin_35757704/article/details/115001655

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