activity
20202026
most citedEnhanced Gradient Boosting for Zero-Inflated Insurance Claims and Comparative Analysis of CatBoost, XGBoost, and LightGBM

9 citations · 14 across the 5 of their papers we have counts for

collaborators

6 papers

stat.AP2026

Counting models with excessive zeros ensuring stochastic monotonicity

Hyemin Lee, Dohee Kim, Banghee So +1

Standard count models such as the Poisson and Negative Binomial models often fail to capture the large proportion of zero claims commonly observed in insurance data. To address suc…

cs.LG2024★ 1 cited

Zero-Inflated Tweedie Boosted Trees with CatBoost for Insurance Loss Analytics

Banghee So, Emiliano A. Valdez

In this paper, we explore advanced modifications to the Tweedie regression model in order to address its limitations in modeling aggregate claims for various types of insurance suc…

cs.LG2023★ 9 cited

Enhanced Gradient Boosting for Zero-Inflated Insurance Claims and Comparative Analysis of CatBoost, XGBoost, and LightGBM

Banghee So

The property and casualty (P&C) insurance industry faces challenges in developing claim predictive models due to the highly right-skewed distribution of positive claims with excess…

stat.ML2021

The SAMME.C2 algorithm for severely imbalanced multi-class classification

Banghee So, Emiliano A. Valdez

Classification predictive modeling involves the accurate assignment of observations in a dataset to target classes or categories. There is an increasing growth of real-world classi…

stat.ML2021

Synthetic Dataset Generation of Driver Telematics

Banghee So, Jean-Philippe Boucher, Emiliano A. Valdez

This article describes techniques employed in the production of a synthetic dataset of driver telematics emulated from a similar real insurance dataset. The synthetic dataset gener…

stat.AP2020★ 4 cited

Cost-sensitive Multi-class AdaBoost for Understanding Driving Behavior with Telematics

Banghee So, Jean-Philippe Boucher, Emiliano A. Valdez

Powered with telematics technology, insurers can now capture a wide range of data, such as distance traveled, how drivers brake, accelerate or make turns, and travel frequency each…