[英]How to replace a dataframe column values with NaN based on a condition?
例如，數據框如下所示：
DF=pd.DataFrame([[1,1],[2,120],[3,25],[4,np.NaN],[5,45]],columns=["ID","Age"])
在“年齡”列中，小於5且大於100的值必須轉換為NaN。
任何幫助表示贊賞！
where和between
df.Age=df.Age.where(df.Age.between(5,100))
df
ID Age
0 10 NaN
1 20 NaN
2 30 25.0
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