Bayesian Causal Inference
Group : BCIG
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Bayesian
Causal Inference Group


NO CAUSATION WITHOUT MANIPULATION
and 
LET THE DATA SPEAK THEMSELVES
  • CAUSE

  • EFFECT

A B O U T    B C I G 
Our research interests broadly cover all Bayesian methods especially for causal inference. In particular, we are interested in developing causal models in various settings under several common themes that distinguish our work from others: 1) alternative sets of identifying assumptions built on the idea of relating the distributions of unobservable quantities to those of observed data distributions; 2) flexible Bayesian nonparametrics; and 3) practical sensitivity analyses to fundamentally untestable assumptions. We have been applying new causal models  recently to assessment of the public health impact of air quality regulatory policies.
We also work on development of Bayesian methods for other applications, including, not limited to, classification through Bayesian network mehtods, feature selection through Bayesian variable selection methods, and/or  image data analysis.
R E S E A R C H    T O P I C S
C A U S A L    I N F E R E N C E
nonparametric estimation of causal effects
effect heterogeneity
confounder selection
sensitivity analysis
causal discovery
longitudinal / multiple mediation
B A Y E S I AN    M E T H O D S
Bayesian nonparametric methods
Bayesian additive regression trees (BART)
Bayesian Variable Selection
Dirichlet process prior/mixture (DPP/DPM)
enrichled dirichlet process (EDP) prior 
Bayesian spatial analysis
A P P L I C A T I O N S
public health impact of pollutants
power generation prediction
m-health data  analysis
AI in mobility (automation in driving)
Medicare data analysis
association between aviation (air flight) noise and health
and many others
photo-1517245386807-bb43f82c33c4.jpg
I N D U S T R Y   P R O J E C T
On Going:
1. Hyundai Motor Company (2026.08~)
베이지안 RLDA 내구 분석 

Completed:
1. Doosan Enerbility (2025.05~2025.10):
베이지안 기반 센서 측정값 검증 모델 튜닝 주기 개발
2. Doosan Enerbility (2025.05~2025.10):
풍력O&M 고장원인 분류 모델 개발
3. Doosan Enerbility (~2024.12) : 
풍력 발전량 예측을 위한 베이지안 방법 연구
4. Doosan Enerbility (2024.09~2024.12):
인과 기반 변수선택 방법 연구
5. Doosan Enerbility (2024.09~2024.12): 
베이지안 기반 센서 측정값 검증 모델 튜닝 주기 개발
C U R R E N T   R E S E A R C H
BART confounder selection in mediation analysis
Confounder selection
Joint Mediation Trees (JMT)
DAG and Causal AI
​Diffusion model and interference in causal inference
G R A N T   S U P P O R T
​Active: 
2024.08-2027.04  NRF Basic Research Lab (기초연구실) 
2025.02-2029.02 NRF Mid-career Research (중견연구)

Completed: 
2021.12-2022.12   Sungkyun Research Fund
2020.06-2023.02   NRF Research Fund  (기본연구)  
2022.06-2025.02   NRF Research Fund  (기본연구)
C O M P U T I N G   P O W E R
3.2GHz 16 cores Intel Xeon W processor (96GB RAM)
3 GHz    10 cores Intel Xeon W processor (64GB RAM)
M1 Ultra 20 cores CPU  48 cores GPU (128GB RAM)

“The strength of the team is each individual member.
The strength of each member is the team”

- Phil Jackson (a former head coach of the Chicago Bulls)

Chanmin Kim (PI)
Chanmin Kim (PI)

Associate Professor of Statistics, SKKU

Youngho Bae (Postdoctoral Fellow)
Youngho Bae (Postdoctoral Fellow)

(PhD in Statistics, Winter 2025)<br />- Dissertation: Bayesian Approaches to Mediation Analysis in Complex Causal Structures

Hyunji Lee (MS/PHD Student)
Hyunji Lee (MS/PHD Student)

(Expected: Spring 2030)

JISU KANG (MS STUDENT)
JISU KANG (MS STUDENT)

(Expected; Winter 2026)

JINSEOP HYUN (MS STUDENT)
JINSEOP HYUN (MS STUDENT)

(Expected; Winter 2026)

Yeeun Jun (MS Student)
Yeeun Jun (MS Student)

(Expected: Spring 2027)

Yoonji Bang (MS Student)
Yoonji Bang (MS Student)

(Expected: Spring 2027)

FORMER STUDENTS

​2026. Spring
HYUNWOO KIM (MS): Thesis -  Bayesian Structure Adjusted Confounder Selection on Network-Dependent Gaussian Covariates
Currently, PhD Student at Univ. of Connecticut 
TAESOO KIM (MS): Thesis - Functional Causal Mediation Analysis of Wildfire Effects on Employment via Multiple Air Pollutants in California (2014-2023)
Currently, PhD Student at Florida State Univ.
HYUNBIN KIM (MS): Thesis - A Comparative Study of Confounder Selection Methods for Causal Inference
YERIM PARK (MS): Thesis - Bayesian Principal Causal Forest with Multivariate Intermediate Variables
I-HEON JUNG (MS): Thesis - MOTR-BCF: A Model-Tree Extension of Bayesian Causal Forest for Practical Non-overlap
DOUN JEON (MS): Thesis - Comparative Study of Diagnostic Accuracy Models and Development of an Rcpp-Based R Package

2025.Winter
YOUNGHO BAE (PHD): Dissertation -  Bayesian Approaches to Mediation Analysis in Complex Causal Structures
Currently, Postdoc at SKKU
JUHYEONG SON (MS): Thesis - A Comparative Analysis of Bayesian Additive Regression Trees and Their Extensions: Focusing on Smoothness
SEOKHO KIM (MS): Thesis - Bayesian Nonparametric Methods for Variable Selection in High-dimensional Settings with Mixed Covariates
Currently, PhD student at Univ. of Florida

2025. Spring
JUNG EUN LEE (MS): Thesis - SSCS : Stochastic Search forConfounder Selection

2024.Winter
SUNMIN YI (MS): Thesis - Extending the Dirichlet Process Mixture Model for Multi-Inflated and Longitudinal Data Analysis
Currently, Manager at NICE Information Service
​JIN LEE (MS): Thesis - Comparison Study of Confounder Selection using Random Forest and Bayesian Additive Regression Trees
​JISUNG PARK (MS): Thesis - Study on Discrete Data with Multiple Inflated Values using the Bayesian MINBM Model
Currently, at Samsung Electronics DS division
Journal Paper - Bayesian MINBM: Addressing Multiple Inflated Va​lues in Discrete Data
​
2024.Spring
HEECHUL JEONG (MS): Thesis - Ordinal Classification using Bayesian Additive Regress​io​n Trees - Currently, at SBI Savings Bank.
​
2023.Winter 
EUNJU SIM (MS) - Currently at DB Insurance.
YESEUL SUNG (MS)
JUWON JUNG (MS) - Currently, PhD student at Korea Univ.
​​
2023.Spring
JAEHO YOON (MS): Previously at University of Georgia
NAMTAEK KWON (MS): Thesis - Adjusting for Multidimensional Confounding via Bayesian Causal Forest
Currently, data scientist at Netmarble
    
2022.Winter
JAEHYUN SEO (MS): Thesis - Regression Discontinuity Design using Local Likelihood
Currently, data scientist at Neople
NAYEON KWON (MS): Journal Paper - Causal Effect of Urban Parks on Children's Happiness
SANGHYUN LEE (MS): Journal Paper - Dirichlet Process Mixture Models using Matrix-generalized Half-t Distribution
Currently, data scientist at HD Hyundai Oilbank
​
2022. Spring
HYUNWOO LIM (MS): Thesis - Proposal of the improved tree augmented naive Bayes model 
Currently at Seoul Guarantee Insurance Company (SGI)
YEONGHOON YOO (MS): CRAN - bartcs: Bayesian Additive Regression Trees for Confounder Selection
DOYOUNG KIM (MS): Currently, PhD student at Florida State Univ.

2021.Winter
SANGHO PARK (MS): Thesis - Comparison Study of Random Forest and Bayesian Additive Regression Trees.
Currently, PhD Student at SKKU School of Medicine

P u b l i c a t i o n s  (s e l e c t e d)

since 2020
photo-1603484477859-abe6a73f9366.jpg

2025

Bayesian Variable Selection for High-Dimensional Mediation Analysis: Application to Metabolomics Data in Epidemiological Studies, Statistics in Medicine (by PhD student Youngho Bae)

2025

Estimating Causal Treatment Effects in the Sequential Parallel Comparison Design (SPCD), Statistics in Medicine

2025

bartcs: Bayesian Additive Regression Trees for Confounder Selection in R, R Journal  (by former student Yeo​nghoon Yoo)

2025

Bayesian MINBM: Addressing Multiple Inflated Values in Discrete Data, Communications for Statistical Applications and Methods  (by former student Jisung Park)

2025

Bayesian nonparametric trees of principal causal effects, Biometrics

2024

Bayesian nonparametric model for heterogeneous treatment effects with zero-inflated data, Statistics in Medicine

2024

Human papillomavirus infection and cardiovascular mortality: a cohort study, European Heart Journal  (by PhD student Youngho Bae)

2024

Utilizing local likelihood in regression discontinuity design: Investigating the impact of ART eligibility on retention in clinical HIV care in South Africa, Statistics in Medicine (by former student Jaehyun Seo)

2023

Dirichlet process mixture models using matrix-generalized half-t distribution, Stat (by former student Sanghyun Lee)

2023

Bayesian nonparametric adjustment of confounding, Biometrics 

2022

Causal Effect of Urban Parks on Children’s Happiness, the Korean Journal of Applied Statistics (by former student Nayeon Kwon) 

2022

Comparison of Tree-based Ensemble Models, Communications for Statistical Applications and Methods (by former student Sangho Park)

2022

On treatment effect for the sequential parallel comparison design, Statistics in Medicine

2022

Bayesian additive regression trees in spatial data analysis with sparse observations, Journal of Statistical Computation and Simulation

2021

Measuring rater bias in diagnostic tests with ordinal ratings, Statistics in Medicine

2021

Deviance information criteria for mixtures of distributions, Communications in Statistics-Simulation and Computation

2020

Health effects of power plant emissions through ambient air quality, Journal of the Royal Statistical Society: Series A

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Contact

We are a working group at SKKU's statistics department. Please use the following methods to contact us:
Address
25-2 Sungkyunkwan-ro, Jongno-gu, Seoul 03063
Phone
82 2 760 0495
Email
 chanmin dot kim@skku dot edu