check null in column pandas code example
Example 1: find nan value in dataframe python
# to mark NaN column as True
df['your column name'].isnull()
Example 2: to detect if a data frame has nan values
df.isnull().sum().sum()
5
# to mark NaN column as True
df['your column name'].isnull()
df.isnull().sum().sum()
5