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Article
Multiple- vs Non- or Single-Imputation based Fuzzy Clustering for Incomplete Longitudinal Behavioral Intervention Data
UMass Center for Clinical and Translational Science Supported Publications
  • Zhaoyang Zhang, University of Massachusetts Medical School
  • Hua (Julia) Fang, University of Massachusetts Medical School
UMMS Affiliation
Division of Biostatistics and Health Services Research, Department of Quantitative Health Science
Publication Date
2016-6-1
Document Type
Conference Proceeding
Abstract

Disentangling patients' behavioral variations is a critical step for better understanding an intervention's effects on individual outcomes. Missing data commonly exist in longitudinal behavioral intervention studies. Multiple imputation (MI) has been well studied for missing data analyses in the statistical field, however, has not yet been scrutinized for clustering or unsupervised learning, which are important techniques for explaining the heterogeneity of treatment effects. Built upon previous work on MI fuzzy clustering, this paper theoretically, empirically and numerically demonstrate how MI-based approach can reduce the uncertainty of clustering accuracy in comparison to non-and single-imputation based clustering approach. This paper advances our understanding of the utility and strength of multiple-imputation (MI) based fuzzy clustering approach to processing incomplete longitudinal behavioral intervention data.

Keywords
  • Fuzzy clustering,
  • MIFuzzy,
  • Missing values,
  • Multiple imputation,
  • longitudinal data,
  • UMCCTS funding
DOI of Published Version
10.1109/CHASE.2016.19
Source

IEEE Int Conf Connect Health Appl Syst Eng Technol. 2016 Jun;2016:219-228. doi: 10.1109/CHASE.2016.19. Epub 2016 Aug 18. Link to article on publisher's site

Related Resources

Link to Article in PubMed

PubMed ID
29034067
Citation Information
Zhaoyang Zhang and Hua (Julia) Fang. "Multiple- vs Non- or Single-Imputation based Fuzzy Clustering for Incomplete Longitudinal Behavioral Intervention Data" Vol. 2016 (2016)
Available at: http://works.bepress.com/hua_fang/51/