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thanks! It indeed work. however, it is still giving me a warning message: A value is trying to be set on a copy of a slice from a DataFrame. Try using .loc[row_indexer,col_indexer] = value instead See the caveats in the documentation: pandas.pydata.org/pandas-docs/stable/… self.obj[item] = s

Bluetail
– Bluetail

2020-07-01 14:29:13 +00:00
Commented Jul 1, 2020 at 14:29
1

@bluetail you df is subbed of others df , when we do subset , we should add copy df=wholeddf[condition].copy()

BENY
– BENY

2020-07-01 14:32:39 +00:00
Commented Jul 1, 2020 at 14:32

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