check for nan python pandas code example
Example 1: dataframe find nan rows
df[df.isnull().any(axis=1)]
Example 2: count nan pandas
#Python, pandas
#Count missing values for each column of the dataframe df
df.isnull().sum()
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['your column name'].isnull().values.any()