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stat.ML2026
Revisiting Randomization in Greedy Model Search
Xin Chen, Jason M. Klusowski, Yan Shuo Tan +1
Feature subsampling is a core component of random forests and other ensemble methods. While recent theory suggests that this randomization acts solely as a variance reduction mecha…
stat.ML2025
Stochastic Gradient Descent for Nonparametric Additive Regression
Xin Chen, Jason M. Klusowski
This paper introduces an iterative algorithm for training nonparametric additive models that enjoys favorable memory storage and computational requirements. The algorithm can be vi…
stat.ML2024
Error Reduction from Stacked Regressions
Xin Chen, Jason M. Klusowski, Yan Shuo Tan
Stacking regressions is an ensemble technique that forms linear combinations of different regression estimators to enhance predictive accuracy. The conventional approach uses cross…