Answers for "df count nan"

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

python count null values in dataframe

# Count total missing values in a dataframe

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

# Gives a integer value

Posted by: Guest on April-25-2020

count rows with nan pandas

np.count_nonzero(df.isnull().values)   
 np.count_nonzero(df.isnull())           # also works

Posted by: Guest on January-14-2021

pandas test for nan

>>> import math
>>> x = float('nan')
>>> math.isnan(x)
True

Posted by: Guest on April-26-2020

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