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Exam Score Prediction 10-fold OOF 1.0 (held-out)

8.582RMSEFull Regularized Ensemble
8.55548.734958.91459.09405Feb 12, 2026

Evaluation results

MethodLinks
Full Regularized Ensemblecomponents=Ridge+Lasso+ElasticNet Blend, # Models=372026.028.582—6.5460.78720.887-0.0210.639
Ridge Meta-Learnerlambda=0.87, # Models=372026.028.583—6.5470.78710.8869-0.020.682
Lasso Meta-Learnerlambda=0.03, sparsity=68%, # Models=372026.028.584—6.5480.78710.8868-0.0190.695
ElasticNet Meta-Learnerlambda1=0.05, alpha=0.5, # Models=372026.028.584—6.5480.78710.8868-0.0190.695
Hill Climbing (Greedy)strategy=Greedy, # Models=282026.028.603—6.5610.78610.8863——
Vanilla Stacking (Ridge)lambda=1.2, # Models=452026.028.627—6.5780.78480.88560.0450.012
Vanilla Stacking (Linear)mode=Linear Stacking, # Models=452026.028.691—6.6340.78150.88410.109—
Weighted Average (Performance)# Models=452026.028.756—6.6910.77820.88260.174—
Simple Average (All)# Models=452026.028.894—6.8120.7710.87810.312—
Best Single Model# Models=12026.029.247—7.1030.75210.86740.665—