How to get the max/min value in Pandas DataFrame when nan value in it

Question

Since one column of my pandas dataframe has nan value, so when I want to get the max value of that column, it just return error.

>>> d         


        

Answer 1

Dataframe aggregate function.agg() will automatically ignore NaN value. df.agg({'income':'max'})

Besides, it can also be use together with .groupby

df.groupby('column').agg({'income':['max','mean']})