drop null in pandas code example

Example 1: drop null rows pandas

df.dropna()

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

Example 4: pandas remove rows with null in column

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

Example 5: clean nas from column pandas

>>> df.dropna()
     name        toy       born
1  Batman  Batmobile 1940-04-25

Example 6: dropna threshold

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