pandas error: value is trying to be set on a copy of a slice from a DataFrame
Question
df_play = pd.read_csv("players_stats_by_season_full_details.csv")
VC = df_play[df_play["League"] == "NBA"]
VC
VC["FT_Miss"] = VC['FTA'] - VC['FTM']
the error 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
1 answers
solution1
1 2020-09-29 14:41:58
VC is not dataframe, its a slice of the original, meaning it is just a pointer back to df_play
try;
VC = df_play[df_play["League"] == "NBA"].copy()
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