https://grady96144.r-universe.devRecent package updates in grady96144R-universehttps://github.com/grady96144.pnghttps://grady96144.r-universe.devFri, 17 Jul 2026 01:51:42 GMTszpku.grady@gmail.com (Ting Wang)Compute case-wise and cluster-wise derivative for mixed effects models with respect to fixed effects parameter, random effect (co)variances, and residual variance. This material is partially based on work supported by the National Science Foundation under Grant Number 1460719.https://github.com/r-universe/nctingwang/actions/runs/35722991896Fri, 17 Jul 2026 01:51:42 GMTmerDeriv0.2-6successhttps://nctingwang.r-universe.devhttps://github.com/nctingwang/merderiv