B.S. Data Science student @ Southern University of Science and Technology
I am a Data Science undergraduate interested in deep learning, generative models, LLM post-training, and multi-source data processing.
Academic homepage / personal archive
Kaicheng's Personal Homepage
Kaicheng's bilingual space for learning, research projects, and life notes.
Shenzhen, China12311704@mail.sustech.edu.cn
Selected research
Latest writing
/15 min
GRPO Post-Training for Math Reasoning on Qwen3-0.6B
From SFT to GRPO: a systematic exploration of post-training strategies that improved math reasoning accuracy from 38.2% to 55.2% on Qwen3-0.6B-Base, with reward function design and None discrimination.
GRPORLpost-training
/6 min read
Project 1 Q2: Survival Analysis for Telco Customer Churn
A survival-analysis report for IBM Telco Customer Churn data, including Kaplan-Meier, log-rank tests, Cox PH, AFT, and CLV.
survival analysissparkmysql