Answers for "change dtype of dataframe column contains nan and interger to integre"

find nan values in a column pandas

df.isnull().values.any()

Posted by: Guest on July-23-2020

check if a value in dataframe is nan

#return a subset of the dataframe where the column name value == NaN 
df.loc[df['column name'].isnull() == True]

Posted by: Guest on April-13-2021

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