nan value in dataframe code example
Example 1: dataframe find nan rows
df[df.isnull().any(axis=1)]
Example 2: find nan values in a column pandas
df.isnull().values.any()
Example 3: find nan values in a column pandas
df['your column name'].isnull().sum()
Example 4: find nan value in dataframe python
# to mark NaN column as True
df['your column name'].isnull()