how to locate nas in dataframe pandas code example

Example 1: knowing the sum of null value is pandas dataframe

note:df is your pandas dataframe

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

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: to detect if a data frame has nan values

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