https://tchang-w.r-universe.devRecent package updates in tchang-wR-universehttps://github.com/tchang-w.pnghttps://tchang-w.r-universe.devFri, 16 Oct 2026 20:16:48 GMTzhigang.li@ufl.edu (Zhigang Li)Fits retrospective-time longitudinal models for terminal trend analysis using weighted generalized estimating equations and related joint modeling tools. The package provides functions to estimate spline-based baseline and treatment effect trajectories on the retrospective time scale, obtain pointwise confidence intervals, and visualize fitted trajectories.https://github.com/r-universe/tchang-w/actions/runs/40680172750Fri, 16 Oct 2026 20:16:48 GMTTTM0.1.0successhttps://tchang-w.r-universe.devhttps://github.com/tchang-w/ttmRetroJM.RmdRetroJM.htmlIntroduction to RetroJM2026-09-18 22:14:172026-10-16 20:16:48TTM.RmdTTM.htmlIntroduction to TTM2026-09-18 22:14:172026-10-16 20:16:48