{ "_id": "6a1d29c01d7bb097a0a386ee", "Package": "pcaL1", "Version": "1.5.9", "Date": "2025-04-25", "Title": "L1-Norm PCA Methods", "License": "GPL (>= 3)", "Authors@R": "c(person(given = \"Sapan\",\nfamily = \"Jot\",\nrole = \"aut\",\nemail = \"sapan.madaan@gmail.com\"),\nperson(given = \"Paul\",\nfamily = \"Brooks\",\nrole = c(\"aut\", \"cre\"),\nemail = \"jpbrooks@vcu.edu\"),\nperson(given = \"Andrea\",\nfamily = \"Visentin\",\nrole = \"aut\",\nemail = \"andrea.visentin@insight-centre.org\"),\nperson(given = c(\"Young\", \"Woong\"),\nfamily = \"Park\",\nrole = \"aut\",\nemail = \"ywpark@iastate.edu\"),\nperson(given = c(\"and\", \"Yi-Hui\"),\nfamily = \"Zhou\",\nrole = \"aut\",\nemail = \"yihui_zhou@ncsu.edu\"))", "Description": "Implementations of several methods for principal component\nanalysis using the L1 norm. The package depends on COIN-OR Clp\nversion >= 1.17.4. The methods implemented are PCA-L1 (Kwak\n2008) , L1-PCA (Ke and Kanade 2003,\n2005) , L1-PCA* (Brooks, Dula, and\nBoone 2013) , L1-PCAhp\n(Visentin, Prestwich and Armagan 2016)\n, wPCA (Park and Klabjan\n2016) , awPCA (Park and Klabjan\n2016) , PCA-Lp (Kwak 2014)\n, and SharpEl1-PCA (Brooks and\nDula, submitted).", "URL": "", "SystemRequirements": "COIN-OR Clp (>= 1.17.4)", "NeedsCompilation": "yes", "Packaged": { "Date": "2026-06-01 06:35:22 UTC", "User": "root" }, "Author": "Sapan Jot [aut], Paul Brooks [aut, cre], Andrea Visentin [aut],\nYoung Woong Park [aut], and Yi-Hui Zhou [aut]", "Maintainer": "Paul Brooks ", "Config/pak/sysreqs": "coinor-libclp-dev", "Repository": "https://jpbrooks.r-universe.dev", "Date/Publication": "2025-05-03 19:30:02 UTC", "RemoteUrl": "https://github.com/cran/pcaL1", "RemoteRef": "HEAD", "RemoteSha": "58a857b0d8f4289336709e6f0b8b016740fa53c2", "MD5sum": "1e4f44cab931d3ce54403c356b77cb10", "_user": "jpbrooks", "_type": "src", "_file": 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