Answers for "pandas dataframe how to make a dictionary mapping one col to another"

1

pandas rename column values dictionary

df['col1'].map(di)       # note: if the dictionary does not exhaustively map all
                         # entries then non-matched entries are changed to NaNs
Posted by: Guest on January-02-2021
0

pandas rename column values dictionary

df['col1'].map(di).fillna(df['col1'])
Posted by: Guest on January-02-2021

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