Pandas Changing the format of NaN values when saving to CSV

Question

I am working with a df and using numpy to transform data - including setting blanks (or \'\') to NaN. But when I write the df to csv - the output contains the string \'nan\' as

Answer 1

Using df.replace may help -

df = df.replace(np.nan, '', regex=True)
df.to_csv("df.csv", index=False)

(This sets all the null values to '' i.e empty string.)