Longitudinal and multilevel statistical modeling (GEE & GLMM) on Brazilian E-Commerce records using PostgreSQL and R. Investigates population repurchase dynamics, logistics friction, unobserved heterogeneity, and merchant overdispersion.
customer-retention sql postgresql rstats glmm negative-binomial-regression gee lme4 generalized-linear-mixed-models olist poisson-regression generalized-estimating-equations glmmtmb longitudinal-data-analysis repeat-purchase ecommerce-analytics multilevel-modeling variance-partition-coefficient geepack
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Updated
Oct 14, 2026 - Jupyter Notebook