Answers for "how to dropna in python"

drop column with nan values

fish_frame = fish_frame.dropna(axis = 1, how = 'all')

Posted by: Guest on August-27-2020

dropna threshold

#dropping columns having more than 50% missing values(1994/2==1000)
df=df.dropna(thresh=1000,axis=1)

Posted by: Guest on October-17-2020

dropna pandas

>>> df.dropna(subset=['name', 'toy'])
       name        toy       born
1    Batman  Batmobile 1940-04-25
2  Catwoman   Bullwhip        NaT

Posted by: Guest on April-11-2021

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