4 papers
Beyond Vaccination Rates: A Synthetic Random Proxy Metric of Total SARS-CoV-2 Immunity Seroprevalence in the Community
Yajuan Si, Leonard Covello, Siquan Wang +2
Explicit knowledge of total community-level immune seroprevalence is critical to developing policies to mitigate the social and clinical impact of SARS-CoV-2. Publicly available va…
Routine Hospital-based SARS-CoV-2 Testing Outperforms State-based Data in Predicting Clinical Burden
Len Covello, Andrew Gelman, Yajuan Si +1
Throughout the COVID-19 pandemic, government policy and healthcare implementation responses have been guided by reported positivity rates and counts of positive cases in the commun…
Bayesian Profiling Multiple Imputation for Missing Electronic Health Records
Yajuan Si, Mari Palta, Maureen Smith
Electronic health records (EHRs) are increasingly used for clinical and comparative effectiveness research, but suffer from missing data. Motivated by health services research on d…
Bayes-raking: Bayesian Finite Population Inference with Known Margins
Yajuan Si, Peigen Zhou
Raking is widely used in categorical data modeling and survey practice but faced with methodological and computational challenges. We develop a Bayesian paradigm for raking by inco…