show rows with a null value pandas
df1 = df[df.isna().any(axis=1)]show rows with a null value pandas
df1 = df[df.isna().any(axis=1)]python count null values in dataframe
# Count total missing values in a dataframe
df.isnull().sum().sum()
# Gives a integer valuefind nan value in dataframe python
# to mark NaN column as True
df['your column name'].isnull()to detect if a data frame has nan values
df.isnull().sum().sum()
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