exclude nan values pandas code example

Example 1: remove rows or columns with NaN value

df.dropna()     #drop all rows that have any NaN values
df.dropna(how='all')

Example 2: python remove nan rows

df = df[df['my_var'].notna()]

Example 3: drop column with nan values

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