Residual non_cities['residual'] = fit_non_cities.resid/Users/Chu/Documents/dssg/done/linear_model_cities.py:27: SettingWithCopyWarning:
A value is tryingTry <em
以前,我问,有3个答案,但其中3个给出警告,通常我忽略这一点,但这是为了生产目的,所以我不能。Tryusing .loc[row_indexer,col_indexer] = value insteaddf1['Capital'] = df1['Country'].replace(s)警告
A value is trying to be set on a copy of a slice from a Da
我知道这是一个非常常见的错误,然而,在我的情况下,我不能弄清楚为什么会发生在我身上。我得到了:A value is trying to be set on a copy of a slice from a DataFrame.Tryusing .loc[row_indexer,col_indexer] = value instead
See the caveats in the docu
players_stats_by_season_full_details.csv")
VC
VC["FT_Miss"] = VC['FTA'] - VC['FTM'] 错误消息: A value is trying to be set on a copy of a slice from a DataFrame.Tryusing
但似乎找不到正确的解决方案)df['quantity'] *= -1 # trying to multiply each row's quantity column with -1A valueTryusing .loc[row_indexer,col_indexer] = value instead
注意:如果可能的话,我不想在数据帧上迭代,也不想做像this...as这样的事情。我认为在整个列上