{ "_id": "6a1ed950b401979e7340f309", "Package": "smacofx", "Title": "Flexible Multidimensional Scaling and 'smacof' Extensions", "Version": "1.23-0", "Authors@R": "c(\nperson(given=\"Thomas\", family=\"Rusch\", email=\"thomas.rusch@wu.ac.at\", role = c(\"aut\",\"cre\"), comment = c(ORCID = \"0000-0002-7773-2096\")),\nperson(given=\"Jan\",family=\"de Leeuw\", role = c(\"aut\")),\nperson(given=\"Lisha\",family=\"Chen\", role = \"aut\"),\nperson(\"Patrick\",\"Mair\",email=\"mair@fas.harvard.edu\",comment=c(ORCID=\"0000-0003-0100-6511\"),role=c(\"aut\")))", "Maintainer": "Thomas Rusch ", "Description": "Flexible multidimensional scaling (MDS) methods and\nextensions to the package 'smacof'. This package contains\nvarious functions, wrappers, methods and classes for fitting,\nplotting and displaying a large number of different flexible\nMDS models. These are: Torgerson scaling (Torgerson, 1958,\nISBN:978-0471879459) with powers, Sammon mapping (Sammon, 1969,\n) with ratio and interval optimal\nscaling, Multiscale MDS (Ramsay, 1977,\n) with ratio and interval optimal\nscaling, s-stress MDS (ALSCAL; Takane, Young & De Leeuw, 1977,\n) with ratio and interval optimal\nscaling, elastic scaling (McGee, 1966,\n) with ratio and\ninterval optimal scaling, r-stress MDS (De Leeuw, Groenen &\nMair, 2016, ) with ratio,\ninterval, splines and nonmetric optimal scaling, power-stress\nMDS (POST-MDS; Buja & Swayne, 2002\n) with ratio and interval\noptimal scaling, restricted power-stress (Rusch, Mair & Hornik,\n2021, ) with ratio and\ninterval optimal scaling, approximate power-stress with ratio\noptimal scaling (Rusch, Mair & Hornik, 2021,\n), Box-Cox MDS (Chen & Buja,\n2013, ), local MDS\n(Chen & Buja, 2009, ), curvilinear\ncomponent analysis (Demartines & Herault, 1997,\n), curvilinear distance analysis (Lee,\nLendasse & Verleysen, 2004,\n), nonlinear MDS with optimal\ndissimilarity powers functions (De Leeuw, 2024,\n),\nsparsified (power) MDS and sparsified multidimensional (power)\ndistance analysis aka extended curvilinear (power) component\nanalysis and extended curvilinear (power) distance analysis\n(Rusch, 2024,\n). Some\nfunctions are suitably flexible to allow any other sensible\ncombination of explicit power transformations for weights,\ndistances and input proximities with implicit ratio, interval,\nsplines or nonmetric optimal scaling of the input proximities.\nMost functions use a Majorization-Minimization algorithm.\nCurrently the methods are only available for one-mode two-way\ndata (symmetric dissimilarity matrices).", "License": "GPL-2 | GPL-3", "LazyData": "true", "URL": "https://r-forge.r-project.org/projects/stops/", "BugReports": "https://r-forge.r-project.org/tracker/?atid=5375&group_id=2037&func=browse", "RoxygenNote": "7.3.2", "Encoding": "UTF-8", "Config/pak/sysreqs": "cmake make libicu-dev libuv1-dev libssl-dev\nlibx11-dev zlib1g-dev", "Repository": "https://r-forge.r-universe.dev", "Date/Publication": "2026-01-18 13:38:14 UTC", "RemoteUrl": "https://github.com/r-forge/stops", "RemoteRef": "HEAD", "RemoteSha": "a51c031eed4408589a889df5bd68990edba5c9a8", "RemoteSubdir": "pkg/smacofx", "NeedsCompilation": "no", "Packaged": { "Date": "2026-05-20 09:28:25 UTC", "User": "root" }, "Author": "Thomas Rusch [aut, cre] (ORCID:\n),\nJan de Leeuw [aut],\nLisha Chen [aut],\nPatrick Mair [aut] (ORCID: )", "MD5sum": "f3efcccdb71deca86761f202a4e79278", "_user": "r-forge", "_type": "src", "_file": "smacofx_1.23-0.tar.gz", "_fileid": "921fafb02409d033f0cadec606b755503d796f3bf74230fcb6397fc21e07d3af", "_filesize": 561634, "_sha256": "921fafb02409d033f0cadec606b755503d796f3bf74230fcb6397fc21e07d3af", "_created": "2026-05-20T09:28:25.000Z", "_published": "2026-06-02T13:23:28.060Z", "_distro": "noble", "_jobs": [ { "job": 79080596536, "time": 206, "config": "linux-devel-x86_64", "r": "4.7.0", "check": "WARNING", "artifact": "7106345503" }, { "job": 79080597047, "time": 209, "config": "linux-release-x86_64", "r": "4.6.0", "check": "WARNING", "artifact": "7106346478" }, { "job": 79080597258, "time": 174, "config": "macos-oldrel-arm64", "r": "4.5.3", "check": "WARNING", 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"a51c031eed4408589a889df5bd68990edba5c9a8", "author": "trusch (Thomas Rusch) ", "committer": "trusch (Thomas Rusch) ", "message": "update HP\n\ngit-svn-id: svn://svn.r-forge.r-project.org/svnroot/stops@539 edb9625f-4e0d-4859-8d74-9fd3b1da38cb\n", "time": 1768743494 }, "_maintainer": { "name": "Thomas Rusch", "email": "thomas.rusch@wu.ac.at", "orcid": "0000-0002-7773-2096" }, "_registered": true, "_dependencies": [ { "package": "R", "version": ">= 3.5.0", "role": "Depends" }, { "package": "smacof", "version": ">= 1.10-4", "role": "Depends" }, { "package": "MASS", "role": "Imports" }, { "package": "minqa", "role": "Imports" }, { "package": "plotrix", "role": "Imports" }, { "package": "ProjectionBasedClustering", "role": "Imports" }, { "package": "weights", "role": "Imports" }, { "package": "vegan", "role": "Imports" } ], "_owner": "r-forge", "_selfowned": true, "_usedby": 2, "_updates": [ { "week": "2025-27", "n": 1 }, { "week": "2025-28", "n": 1 }, { "week": "2025-35", "n": 1 }, { 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