This discussion bring some insights about adding a multivariate imputer in scikit-learn. Because of release time constraint, the development was moved into a specific branch (FIXME: give a specific na…
Which can be expanded to other params after `warm_start` is introduced for other tree params in `DecisionTreeRegressor`/`DecisionTreeClassifier`
@ogrisel @glouppe @agramfort @jnothman @amueller @Mech…