11 citations · 29 across the 17 of their papers we have counts for
3 papers · 1 filter
Perturbed factor analysis: Accounting for group differences in exposure profiles
Arkaprava Roy, Isaac Lavine, Amy H. Herring +1
In this article, we investigate group differences in phthalate exposure profiles using NHANES data. Phthalates are a family of industrial chemicals used in plastics and as solvents…
Bayesian time-aligned factor analysis of paired multivariate time series
Arkaprava Roy, Jana Schaich-Borg, David B Dunson
Many modern data sets require inference methods that can estimate the shared and individual-specific components of variability in collections of matrices that change over time. Pro…
Nonparametric graphical model for counts
Arkaprava Roy, David B Dunson
Although multivariate count data are routinely collected in many application areas, there is surprisingly little work developing flexible models for characterizing their dependence…