Version 0.4.2

Fixes #538: Remove rounding errors when giving a training set fraction for holdout.
Fixes #558: Ensemble script now uses less memory and the memory limit can be given to Auto-sklearn.
Fixes #585: Auto-sklearn’s ensemble script produced wrong results when called directly (and not via one of Auto-sklearn’s estimator classes).
Fixes an error in the ensemble script which made it non-deterministic.
MAINT #569: Rename hyperparameter to have a different name than a scikit-learn hyperparameter with different meaning.
MAINT #592: backwards compatible requirements.txt
MAINT #588: Fix SMAC version to 0.8.0
MAINT: remove dependency on the six package
MAINT: upgrade to XGBoost 0.80

Contributors