check if row is nan pandas code example

Example 1: dataframe find nan rows

df[df.isnull().any(axis=1)]

Example 2: to detect if a data frame has nan values

> df.isnull().any().any()
True

Example 3: to detect if a data frame has nan values

df.isnull().sum().sum()
5

Example 4: find nan values in a column pandas

df.isnull().sum().sum()