Current 

National Research Fund  (2022 - 2025) *  

A study on the multivariate latent class model for multi-dimensional longitudinal data of mixed types 

Completed

National Center for Mental Health  (2023)*

A research to develop strategies for long-term follow-up of child and adolescent mental health and policy use

Statistics Korea  (2023)*

A study on the Household Projection Model by Number of Household and House Type 

Statistics Korea (2023)*

Consulting on Improving Statistical Quality of the Nationally Approved Statistics 

National Research Fund  (2020 - 2023) *

A study on the higher order latent variable model for multivariate categorical data with dependency 

Statistics Korea (2022)*

Regular Assessment on the Statistical Quality Control System

Statistics Korea (2022)*

Consulting on Improving Statistical Quality of the Nationally Approved Statistics

Statistics Korea (2021)*

Regular Assessment on the Statistical Quality Control System

National Research Fund (2017 - 2021)*  

A Study on the Estimation of Missingness in a Multi-way Incomplete Contingency Table 

Statistics Korea  (2020)

A Study on the Improvement for the Household Projection Model

Sejong Welfare Foundation (2020)

A Study on Population Policy for Sejong

Statistics Korea (2020)*

Regular Assessment on the Statistical Quality Control System

Statistics Korea (2017)

A Study on Big Data Quality Management Plan including Public-Private Data Linkage

Jeonnam Welfare Foundation (2017) 

Survey on Welfare Status and Needs of Residents of Jeonnam Island

Statistics Korea (2016)

In-depth study for improving future household estimation method

Korea University (2016-2017)*

A Study on Life Expectancy for Quality of Life and Environmental Justice

National Research Fund 

Latent Class-Profile Causal Model for Estimating Causal Effects of Substance Abuse

National Research Fund (2007-2008)*

Latent Transition Model with Covariates : focused on Pediatric Obesity

*contributed as Principal Investigator