Pandas Fillna Mode

Question

I have a data set in which there is a column known as Native Country which contain around 30000 records. Some are missing represented by NaN so I thoug

Answer 1

Just call first element of series:

data['Native Country'].fillna(data['Native Country'].mode()[0], inplace=True)

or you can do the same with assisgnment:

data['Native Country'] = data['Native Country'].fillna(data['Native Country'].mode()[0])