Stop Using Mean to Fill Missing Data
Published in
5 min readSep 17, 2019
Mean imputation was the first ‘advanced’ (sighs) method of dealing with missing data I’ve used. In a way, it is a huge step from filling missing values with 0 or a constant, -999 for example (please don’t do that).
However, it still isn’t an optimal method, and today's post will show you why.