Answers for "python pandas test is nan"

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
1

python test if value is np.nan

import numpy as np

mynan = np.nan
mynum = 18

print("NaN? : ", np.isnan(mynan)) # Use np.isnan() to test
print("NaN? : ", np.isnan(mynum))

# Results:
# Nan? : True
# NaN? : False
Posted by: Guest on August-25-2021

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