Answers for "check for nan in pd dataframe"

dataframe find nan rows

df[df.isnull().any(axis=1)]

Posted by: Guest on January-31-2021

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

pandas if nan, then the row above

df.fillna(method='ffill')

Posted by: Guest on July-22-2020

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