Research
Interest and Expertise
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Longitudinal data analysis
Longitudinal data analysis
Generalized estimating equations (GEE)
Generalized method of moments (GMM)
Joint modeling of mean and dispersion
Power analysis
Power analysis
An expert in power analysis of various study designs, I have developed two power estimation techniques for longitudinal data using GMM
RCT, Stepped Wedge Cluster Randomized Trial, Cross-sectional and longitudinal stdies, etc.
Categorical data analysis
Categorical data analysis
Binary, multinomial, and ordinal models
High dimensional modeling of categorical data
Time series analysis
Time series analysis
INGARCH modls
Survival analysis
Survival analysis
Parametric, semi-parametric and non-parametric survival models
Recurrent even analysis (and extension)
Multilevel models
Multilevel models
Hierarchical linear models (HLM) and Generalized hierarchical linear models (GHLM)
Growth curve models
Missing data handling techniques
Missing data handling techniques
Methodological comparison of missing data
Multiple imputation
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