Answers for "dropna subset"

5

dropping nan in pandas dataframe

df.dropna(subset=['name', 'born'])
Posted by: Guest on April-27-2020
-1

drop columns with nan pandas

>>> df.dropna(axis='columns')
       name
0    Alfred
1    Batman
2  Catwoman
Posted by: Guest on April-02-2020
0

threshold meaning in pandas dropna

>>>df = pd.DataFrame({"name": ['Alfred', 'Batman', 'Catwoman'],
                   "toy": [np.nan, 'Batmobile', 'Bullwhip'],
                   "born": [pd.NaT, pd.Timestamp("1940-04-25"),
                            pd.NaT]}) 
df.dropna(thresh=2)
       name        toy       born
1    Batman  Batmobile 1940-04-25
2  Catwoman   Bullwhip        NaT
Posted by: Guest on June-09-2020

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