https://roobnloo.r-universe.devRecent package updates in roobnlooR-universehttps://github.com/roobnloo.pnghttps://roobnloo.r-universe.devMon, 31 Aug 2026 22:57:21 GMTrobin28liu@gmail.com (Robin Liu)Implements the sparse-group lasso method of Zhang et al. (2020) <doi:10.1007/s10107-018-1329-6>. Unlike many widely available methods based on first-order descent, this method uses second-order information to solve the dual optimization problem via a semismooth Newton method.https://github.com/r-universe/roobnloo/actions/runs/38234430179Mon, 31 Aug 2026 22:57:21 GMTsglssnal0.1.0successhttps://roobnloo.r-universe.devhttps://github.com/roobnloo/sglssnalsglssnal.Rmdsglssnal.htmlIntroduction to sglssnal2026-08-31 00:38:132026-08-31 22:43:58