Return the rating column with its gaps filled by the column's own mean
pandas · from Missing data
.isna().dropna().fillna().ffill()subset=thresh=pd.NAPutting the kettle on…
Starting up…
Exercise 4
Return the rating column with its gaps filled by the column's own mean.
your answer
stuck? the lesson behind it
Missing data
Dropping and filling are different claims — and they give different answers.