Answers for "how to see nan in pandas"

14

count nan pandas

#Python, pandas
#Count missing values for each column of the dataframe df

df.isnull().sum()
Posted by: Guest on April-06-2020
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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