Overview
Russ Wolfinger is a statistician (SAS Institute; later JMP/genomics), a principal developer of SAS's mixed-model procedures (PROC MIXED, PROC GLIMMIX) and of pseudo-likelihood methods for generalized linear mixed models.
Key Contributions / Features
- Pseudo-likelihood GLMM estimation (Wolfinger-O'Connell 1993): iterated weighted linear-mixed-model fitting to a modified dependent variable — the estimation engine behind SAS GLMM software.
- Contributions to REML variance-component estimation and structured-covariance mixed models.
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