Key Error when trying to drop rows in pandas dataframe based on filter-CodePudding

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Key Error when trying to drop rows in pandas dataframe based on filter

Time：11-29

I am unable to drop dataframe rows due to key error. I am trying:

df.drop(df['Year_Map'] == 2021], axis=0, inplace=True)

Error: raise KeyError(f"{labels[mask]} not found in axis"

What is the proper way to drop rows with a filter?

CodePudding user response：

df.drop(df[df.Year_Map == '2021'].index, inplace=True)