dropna pandas columns code example
Example 1: dropping nan in pandas dataframe
df.dropna(subset=['name', 'born'])
Example 2: dropna threshold
#dropping columns having more than 50% missing values(1994/2==1000)
df=df.dropna(thresh=1000,axis=1)
df.dropna(subset=['name', 'born'])
#dropping columns having more than 50% missing values(1994/2==1000)
df=df.dropna(thresh=1000,axis=1)