Chia Chia

Dr. Chia Chia is a Research Fellow at the International Institute of Social Studies (ISS) of Erasmus University Rotterdam. Her work focuses on advanced statistical methodologies applied to social sciences, environmental studies, healthcare, and sports analytics. She specializes in hierarchical modeling techniques, composite indicators, and factor analysis to address complex multidimensional problems. Her research bridges theoretical statistical developments with practical applications in policy evaluation and data-driven decision-making.

• Affiliation: International Institute of Social Studies, Erasmus University Rotterdam
• Research Themes: Hierarchical clustering, ultrametric models, composite indicators, structural equation modeling, and multivariate analysis

Chia Chia’s recent studies include developing unbiased distance metrics for mixed-type data, modeling waste management efficiency in Italian municipalities, and analyzing driver behavior related to mobile phone use. Her work on hierarchical disjoint factor analysis has been applied to environmental policy assessment and sports performance evaluation. She actively contributes to methodological advancements in clustering algorithms and Gaussian mixture models, emphasizing computational efficiency and real-world applicability.

Her publications reflect a strong emphasis on bridging statistical theory with practical challenges in education, healthcare, and environmental science. Notable trends in her work include the integration of ultrametric structures into composite indicators and the application of parsimonious models to reduce computational complexity.

Grants & Collaborations: While specific grants are not detailed, her research aligns with ISS’s focus on global development issues, suggesting involvement in interdisciplinary projects. She collaborates with institutions specializing in environmental policy, healthcare decision-making, and sports analytics.