Search Results for author: Yubin Park

Found 3 papers, 0 papers with code

PaloBoost: An Overfitting-robust TreeBoost with Out-of-Bag Sample Regularization Techniques

no code implementations22 Jul 2018 Yubin Park, Joyce C. Ho

We propose PaloBoost, a Stochastic Gradient TreeBoost model that uses novel regularization techniques to guard against overfitting and is robust to parameter settings.

Feature Importance

ACDC: $α$-Carving Decision Chain for Risk Stratification

no code implementations16 Jun 2016 Yubin Park, Joyce Ho, Joydeep Ghosh

The resulting chain of decision rules yields a pure subset of the minority class examples.

Perturbed Gibbs Samplers for Synthetic Data Release

no code implementations18 Dec 2013 Yubin Park, Joydeep Ghosh

We propose a categorical data synthesizer with a quantifiable disclosure risk.

Imputation regression

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