{ "_id": "6ac5ff0ef511ae58c09a47cd", "Package": "trustOptim", "Type": "Package", "Title": "Trust Region Optimization for Nonlinear Functions with Sparse\nHessians", "Version": "0.8.7.4", "Date": "2026-01-11", "Authors@R": "person(given=\"Michael\", family=\"Braun\", email=\"braunm@smu.edu\", role=c(\"aut\",\"cre\",\"cph\"), comment=c(ORCID=\"0000-0003-4774-2119\"))", "Maintainer": "Michael Braun ", "URL": "https://braunm.github.io/trustOptim/,\nhttps://github.com/braunm/trustOptim/", "BugReports": "https://github.com/braunm/trustOptim/issues", "Description": "Trust region algorithm for nonlinear optimization.\nEfficient when the Hessian of the objective function is sparse\n(i.e., relatively few nonzero cross-partial derivatives). See\nBraun, M. (2014) .", "License": "MPL (>= 2.0)", "Copyright": "(c) 2015-2021 Michael Braun", "Encoding": "UTF-8", "VignetteBuilder": "knitr", "RoxygenNote": "7.3.3", "Repository": "https://braunm.r-universe.dev", "Date/Publication": "2026-01-12 19:55:09 UTC", "RemoteUrl": "https://github.com/braunm/trustoptim", "RemoteRef": "HEAD", "RemoteSha": "f05a1e59986cb5364c66bcf48e286caa4e5fac98", "NeedsCompilation": "yes", "Packaged": { "Date": "2026-10-07 08:05:49 UTC", "User": "root" }, "Author": "Michael Braun [aut, cre, cph] (ORCID:\n)", "_user": "braunm", "_type": "src", "_file": "trustOptim_0.8.7.4.tar.gz", "_fileid": "https://r2.ropensci.org/97ad4e5d089c318708f64c460a4a01762c5e36fc5b96cb3d15270fdc17b8d3d7", "_filesize": 159732, "_sha256": "97ad4e5d089c318708f64c460a4a01762c5e36fc5b96cb3d15270fdc17b8d3d7", "_expires": "2027-01-15T08:13:00.000Z", "_created": "2026-10-07T08:05:49.000Z", "_published": "2026-10-07T08:13:02.658Z", "_buildurl": "https://github.com/r-universe/braunm/actions/runs/37591142113", "_status": "success", "_host": "GitHub-Actions", "_jobs": [ { "job": 112694042660, "time": 112, "config": "linux-devel-arm64", "r": "4.7.0", "check": "OK", "artifact": "11469406300" }, { "job": 112694042597, "time": 141, "config": "linux-devel-x86_64", "r": "4.7.0", "check": "OK", "artifact": "11469022104" }, { "job": 112694042542, "time": 109, "config": "linux-release-arm64", "r": "4.6.1", "check": "OK", "artifact": "11468932318" }, { "job": 112694042248, "time": 133, "config": "linux-release-x86_64", "r": "4.6.1", "check": "OK", "artifact": "11468992047" }, { "job": 112694042496, "time": 119, "config": "macos-oldrel-arm64", "r": "4.5.3", "check": "OK", "artifact": "11469232196" }, { "job": 112694042603, "time": 232, "config": "macos-oldrel-x86_64", "r": "4.5.3", "check": "OK", "artifact": "11468637730" }, { "job": 112694042521, "time": 105, "config": "macos-release-arm64", "r": "4.6.1", "check": "OK", "artifact": "11469232146" }, { "job": 112694042437, "time": 206, "config": "macos-release-x86_64", "r": "4.6.1", "check": "OK", "artifact": "11468498033" }, { "job": 112692802561, "time": 203, "config": "source", "r": "4.6.1", "check": "OK", "artifact": "11469151144" }, { "job": 112694042294, "time": 87, "config": "wasm-release", "r": "4.6.0", "check": "OK", "artifact": "11468379250" }, { "job": 112694042497, "time": 368, "config": "windows-devel-arm64", "r": "4.7.0", "check": "OK", "artifact": "11468513231" }, { "job": 112694042464, "time": 166, "config": "windows-devel-x86_64", "r": "4.7.0", "check": "OK", "artifact": "11469526076" }, { "job": 112694042518, "time": 92, "config": "windows-oldrel-x86_64", "r": "4.5.3", "check": "OK", "artifact": "11468437707" }, { "job": 112694042619, "time": 374, "config": "windows-release-arm64", "r": "4.6.1", "check": "OK", "artifact": "11468633018" }, { "job": 112694042438, "time": 125, "config": "windows-release-x86_64", "r": "4.6.1", "check": "OK", "artifact": "11469246289" } ], "_upstream": "https://github.com/braunm/trustoptim", "_commit": { "id": "f05a1e59986cb5364c66bcf48e286caa4e5fac98", "author": "Michael Braun ", "committer": "Michael Braun ", "message": "build for 0.8.7.4\n", "time": 1768247709 }, "_maintainer": { "name": "Michael Braun", "email": "braunm@smu.edu", "login": "braunm", "description": "", "uuid": 7560564, "orcid": "0000-0003-4774-2119" }, "_distro": "resolute", "_registered": true, "_dependencies": [ { "package": "R", "version": ">= 3.6", "role": "Depends" }, { "package": "Rcpp", "role": "LinkingTo" }, { "package": "RcppEigen", "version": ">= 0.3.3.7.0", "role": "LinkingTo" }, { "package": "Matrix", "version": ">= 1.2.18", "role": "Imports" }, { "package": "Rcpp", "version": ">= 1.0.3", "role": "Imports" }, { "package": "methods", "role": "Imports" }, { "package": "testthat", "role": "Suggests" }, { "package": "knitr", "role": "Suggests" } ], "_owner": "braunm", "_selfowned": true, "_usedby": 9, "_updates": [ { "week": "2026-02", "n": 1 }, { "week": "2026-03", "n": 1 } ], "_tags": [], "_stars": 6, "_contributors": [ { "user": "braunm", "count": 104, "uuid": 7560564 } ], "_userbio": { "uuid": 7560564, "type": "user", "name": "Michael Braun", "followers": 8 }, "_downloads": { "count": 1904, "source": "https://cranlogs.r-pkg.org/downloads/total/last-month/trustOptim" }, "_mentions": 1, "_devurl": "https://github.com/braunm/trustoptim", "_pkgdown": "https://braunm.github.io/trustOptim/", "_searchresults": 23, "_topics": [ "cpp" ], "_rbuild": "4.6.1", "_assets": [ "extra/citation.cff", "extra/citation.html", "extra/citation.json", "extra/citation.txt", "extra/contents.json", "extra/manual.pdf", "extra/NEWS.html", "extra/NEWS.txt", "extra/readme.html", "extra/readme.md", "extra/trustOptim.html" ], "_homeurl": "https://github.com/braunm/trustoptim", "_realowner": "braunm", "_cranurl": true, "_releases": [ { "version": "0.7.0", "date": "2012-08-23" }, { "version": "0.7.1", "date": "2012-09-27" }, { "version": "0.8.0", "date": "2012-12-28" }, { "version": "0.8.1", "date": "2013-06-12" }, { "version": "0.8.2", "date": "2013-11-06" }, { "version": "0.8.3", "date": "2013-12-08" }, { "version": "0.8.4.1", "date": "2014-09-27" }, { "version": "0.8.5", "date": "2015-02-04" }, { "version": "0.8.6", "date": "2017-04-26" }, { "version": "0.8.6.1", "date": "2017-10-08" }, { "version": "0.8.6.2", "date": "2018-03-28" }, { "version": "0.8.7.1", "date": "2021-09-23" }, { "version": "0.8.7.2", "date": "2021-09-26" }, { "version": "0.8.7.3", "date": "2021-10-11" }, { "version": "0.8.7.4", "date": "2026-01-13" } ], "_exports": [ "binary.f", "binary.grad", "binary.hess", "trust.optim" ], "_datasets": [ { "name": "binary", "title": "Binary choice example", "object": "binary", "file": "binary.rda", "class": [ "list" ], "fields": [], "table": false, "tojson": true } ], "_help": [ { "page": "binary", "title": "Binary choice example", "topics": [ "binary", "binary.f", "binary.grad", "binary.hess" ] }, { "page": "binary-data", "title": "Sample simulated data for binary choice model in vignette", "topics": [ "binary-data" ] }, { "page": "trust.optim", "title": "Nonlinear optimizers using trust regions.", "topics": [ "trust.optim" ] }, { "page": "trustOptim", "title": "Trust-region optimization", "topics": [ "trustOptim" ] } ], "_readme": "https://github.com/braunm/trustoptim/raw/HEAD/README.md", "_rundeps": [ "lattice", "Matrix", "Rcpp", "RcppEigen" ], "_sysdeps": [ { "shlib": "libstdc++", "package": "libstdc++6", "source": "gcc", "version": "16-20260322-1ubuntu1", "name": "c++", "homepage": "http://gcc.gnu.org/", "description": "GNU Standard C++ Library v3" } ], "_vignettes": [ { "source": "trustOptim-quick.Rmd", "filename": "trustOptim-quick.html", "title": "A Quick Demo of trustOptim", "author": "Michael Braun", "engine": "knitr::rmarkdown", "headings": [ "References" ], "created": "2015-01-27 23:33:42", "modified": "2021-09-23 18:31:59", "commits": 2 }, { "source": "trustOptim-demo.Rmd", "filename": "trustOptim-demo.html", "title": "Using trustOptim for Unconstrained Nonlinear Optimization with Sparse Hessians", "author": "Michael Braun", "engine": "knitr::rmarkdown", "headings": [ "Why use trustOptim?", "Example function", "Using the package", "Control parameters", "Scaling the objective function", "Stopping criteria", "Preconditioners", "Result object", "Algorithmic details", "Trust region methods for nonlinear optimization", "References" ], "created": "2015-01-27 23:33:42", "modified": "2018-03-28 04:37:28", "commits": 2 } ], "_score": 7.15193979027266, "_indexed": true, "_nocasepkg": "trustoptim", "_universes": [ "braunm" ], "_binaries": [ { "r": "4.7.0", "os": "linux", "version": "0.8.7.4", "date": "2026-10-07T08:07:41.000Z", "distro": "resolute", "arch": "aarch64", "commit": "f05a1e59986cb5364c66bcf48e286caa4e5fac98", "fileid": "https://r2.ropensci.org/edc4fdb6911a9cea599c59d4cbb97fb2b6c26e0ebc5e5852213d2e425f242767", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/braunm/actions/runs/37591142113" }, { "r": "4.7.0", "os": "linux", "version": "0.8.7.4", "date": "2026-10-07T08:07:55.000Z", "distro": "resolute", "arch": "x86_64", "commit": "f05a1e59986cb5364c66bcf48e286caa4e5fac98", "fileid": "https://r2.ropensci.org/d058775f150c57b89171109babdbaa67329161abc72e11aa5925498a561ee9bd", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/braunm/actions/runs/37591142113" }, { "r": "4.6.1", "os": "linux", "version": "0.8.7.4", "date": "2026-10-07T08:07:39.000Z", "distro": "resolute", "arch": "aarch64", "commit": "f05a1e59986cb5364c66bcf48e286caa4e5fac98", "fileid": "https://r2.ropensci.org/3390f028726831bfa7397a142d14609800f19c96c2c0d586f94cb4af2f15a497", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/braunm/actions/runs/37591142113" }, { "r": "4.6.1", "os": "linux", "version": "0.8.7.4", "date": "2026-10-07T08:07:54.000Z", "distro": "resolute", "arch": "x86_64", "commit": "f05a1e59986cb5364c66bcf48e286caa4e5fac98", "fileid": "https://r2.ropensci.org/f006f92c0b85e4d144715ad09b3213e3ec493acfea4468d700ce882f8cf1b5c5", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/braunm/actions/runs/37591142113" }, { "r": "4.5.3", "os": "mac", "version": "0.8.7.4", "date": "2026-10-07T08:07:48.000Z", "arch": "aarch64", "commit": "f05a1e59986cb5364c66bcf48e286caa4e5fac98", "fileid": "https://r2.ropensci.org/d4d643fee341fb9c0d9ce96647f4518994e95ed7c73b78321307ac03304b5b3b", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/braunm/actions/runs/37591142113" }, { "r": "4.5.3", "os": "mac", "version": "0.8.7.4", "date": "2026-10-07T08:09:09.000Z", "arch": "x86_64", "commit": "f05a1e59986cb5364c66bcf48e286caa4e5fac98", "fileid": "https://r2.ropensci.org/9368da4cddf8688b33154cd5ca81e055a08afb62a1ab07f569a37c236561e011", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/braunm/actions/runs/37591142113" }, { "r": "4.6.1", "os": "mac", "version": "0.8.7.4", "date": "2026-10-07T08:07:39.000Z", "arch": "aarch64", "commit": "f05a1e59986cb5364c66bcf48e286caa4e5fac98", "fileid": "https://r2.ropensci.org/d82b45da6841dc91475cd461c0cc871d0808460ee40febcd91d862f65cda5eac", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/braunm/actions/runs/37591142113" }, { "r": "4.6.1", "os": "mac", "version": "0.8.7.4", "date": "2026-10-07T08:08:49.000Z", "arch": "x86_64", "commit": "f05a1e59986cb5364c66bcf48e286caa4e5fac98", "fileid": "https://r2.ropensci.org/a7815641c29cd4f42ab42fed06760b3fe6a62d6e0a756ca86f80899eee540f05", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/braunm/actions/runs/37591142113" }, { "r": "4.6.0", "os": "wasm", "version": "0.8.7.4", "date": "2026-10-07T08:07:42.000Z", "arch": "emscripten", "commit": "f05a1e59986cb5364c66bcf48e286caa4e5fac98", "fileid": "https://r2.ropensci.org/c7ec24d33019fe6d9b5007402bdd0f934e669429895b5a97ba443e8be53e59a7", "status": "success", "buildurl": "https://github.com/r-universe/braunm/actions/runs/37591142113" }, { "r": "4.7.0", "os": "win", "version": "0.8.7.4", "date": "2026-10-07T08:11:04.000Z", "arch": "aarch64", "commit": "f05a1e59986cb5364c66bcf48e286caa4e5fac98", "fileid": "https://r2.ropensci.org/89e19362f80548ebe95bd9e7c374294ece4a80bbec5eae407704224ab25f3fd5", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/braunm/actions/runs/37591142113" }, { "r": "4.7.0", "os": "win", "version": "0.8.7.4", "date": "2026-10-07T08:07:24.000Z", "arch": "x86_64", "commit": "f05a1e59986cb5364c66bcf48e286caa4e5fac98", "fileid": "https://r2.ropensci.org/4fb6da8cac039f015e09a0b99887300e347580cd7b76176c7c2eacaac910d8ee", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/braunm/actions/runs/37591142113" }, { "r": "4.5.3", "os": "win", "version": "0.8.7.4", "date": "2026-10-07T08:07:01.000Z", "arch": "x86_64", "commit": "f05a1e59986cb5364c66bcf48e286caa4e5fac98", "fileid": "https://r2.ropensci.org/c1d94d12c014c0fcd2517c4e8ea34077b9553ce820df114dddbd96155ce600cf", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/braunm/actions/runs/37591142113" }, { "r": "4.6.1", "os": "win", "version": "0.8.7.4", "date": "2026-10-07T08:11:26.000Z", "arch": "aarch64", "commit": "f05a1e59986cb5364c66bcf48e286caa4e5fac98", "fileid": "https://r2.ropensci.org/a99cf18a3765c72e7a5652fa8783c80c2f2b716e7e54df64f465805363e0e943", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/braunm/actions/runs/37591142113" }, { "r": "4.6.1", "os": "win", "version": "0.8.7.4", "date": "2026-10-07T08:07:14.000Z", "arch": "x86_64", "commit": "f05a1e59986cb5364c66bcf48e286caa4e5fac98", "fileid": "https://r2.ropensci.org/776d38edd77a59e760ca0c255a9da5eebce4222728bad4258ca1eb491436a546", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/braunm/actions/runs/37591142113" } ] }