how to remove nan values from dataframe in python code example

Example 1: how to delete nan values in python

x = x[~numpy.isnan(x)]

Example 2: dropping nan in pandas dataframe

df.dropna(subset=['name', 'born'])

Example 3: drop columns with nan pandas

>>> df.dropna(axis='columns')
       name
0    Alfred
1    Batman
2  Catwoman