Modified Generalized Estimating Equations for Small-Sample Data R package geess version 1.0.2 Analyze small-sample clustered or longitudinal data using modified generalized estimating equations with bias-adjusted covariance estimator. The package provides any combination of three modified generalized estimating equations and 11 bias-adjusted covariance estimators. Software Depends: R (>= 4.5.0) Imports: MASS (>= 7.3-45) Suggests: testthat (>= 3.0.0) Ryota Ishii <r.ishii0808@gmail.com> Comprehensive R Archive Network (CRAN) Ryota Ishii [aut, cre], Kazushi Maruo [ctb], Masahiko Gosho [ctb] GPL (>= 2) 2026-07-27 application/tgz https://CRAN.R-project.org/package=geess doi:10.32614/CRAN.package.geess