[英]pandas error: value is trying to be set on a copy of a slice from a DataFrame
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']
错误信息：
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
VC不是数据帧，它是原始数据的一部分，这意味着它只是一个指向 df_play 的指针
尝试;
VC = df_play[df_play["League"] == "NBA"].copy()
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