Release-0.1.0

Angel-AutoML is a new module of Angel. It provides the following new features.

1. Automatic hyper-parameter tuning

• Configurations for discrete and continuous hyper-parameters.
• Tuning mode: Random Search, Grid Search, and Bayesian Optimization.
• Surrogate function: Gaussian process and random forest.
• Acquisition function: Probability of Improvement (PI), Expected Improvement (EI) and Upper Confidence Bound (UCB).

2. Feature selection operators

• Statistic-based operator. VarianceSelector and FtestSelector.
• Model-based operators. LassoSelector and RandomForestSelector.

3. Automatic Feature Synthesis

• Cartesian product operator, feature re-index operator.
• An automatic feature synthesis pipeline.