Answers for "how to find the nan values of all columns in dataframes"

10

dataframe find nan rows

df[df.isnull().any(axis=1)]
Posted by: Guest on January-31-2021
0

find all nan columns pandas

nan_cols = [i for i in df.columns if df[i].isnull().any()]
print("No. of columns containing null values")
print(len(df.columns[df.isna().any()]))

print("No. of columns not containing null values")
print(len(df.columns[df.notna().all()]))

print("Total no. of columns in the dataframe")
print(len(df.columns))
Posted by: Guest on November-17-2020

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