concept:second-order-boosting
Second Order Boosting
Second Order Boosting in the context of production machine-learning systems.
Lessons
Formal explanations, examples, simulations, and checkpoints.
Trees, forests & gradient boosting
XGBoost: regularized boosting at scale
XGBoost scales boosting by turning gradient statistics into regularized decisions about leaves and splits.
Trees, forests & gradient boostingCalibrating and explaining ensembles
Calibrate probabilities for decisions, and read explanations as model accounting—not causal proof.
Courses & assignments
Dependency-authoritative learning units.
Casebook
Reported facts and course reconstructions.