Hi Robert,
Thanks for the report. This is definitely not something just on your end;
MAE does run longer than MSE, especially on larger datasets, due to the
need to find the median of data for MAE (expensive) vs the mean of data for
MSE (not so expensive). We've used a variety of tricks to try to m
I searched the archives to see if this was a known issue, but could not
seem to find anyone else having the problem.
Nevertheless, in the latest version (0.18) Random Forest Regressor has the
new option of 'mae' for criterion. However it appears to run
disporportinally longer than the 'mse' crite