{ "_id": "6a1ff39db401979e73442b55", "Package": "GeomArchetypal", "Type": "Package", "Title": "Finds the Geometrical Archetypal Analysis of a Data Frame", "Version": "1.0.1", "Date": "2024-05-30", "Authors@R": "c(\nperson(\"Demetris\", \"Christopoulos\",email = \"dchristop@econ.uoa.gr\",role = c(\"aut\", \"cre\",\"cph\")),\nperson(\"David\", \"Midgley\", email = \"david.midgley@insead.edu\", role = c(\"ctb\",\"cph\")),\nperson(\"Sunil\", \"Venaik\", email = \"s.venaik@business.uq.edu.au\", role = c(\"ctb\")),\nperson(\"INSEAD Hoffmann Institute France\", role = c(\"fnd\")),\nperson(\"The University of Queensland Australia\", role = c(\"fnd\"))\n)", "Maintainer": "Demetris Christopoulos ", "Description": "Performs Geometrical Archetypal Analysis after creating\nGrid Archetypes which are the Cartesian Product of all minimum,\nmaximum variable values. Since the archetypes are fixed now, we\nhave the ability to compute the convex composition coefficients\nfor all our available data points much faster by using the half\npart of Principal Convex Hull Archetypal method. Additionally\nwe can decide to keep as archetypes the closer to the Grid\nArchetypes ones. Finally the number of archetypes is always 2\nto the power of the dimension of our data points if we consider\nthem as a vector space. Cutler, A., Breiman, L. (1994)\n. Morup, M., Hansen, LK.\n(2012) . Christopoulos, DT.\n(2024) .", "License": "GPL (>= 2)", "VignetteBuilder": "knitr", "Author": "Demetris Christopoulos [aut, cre, cph], David Midgley [ctb,\ncph], Sunil Venaik [ctb], INSEAD Hoffmann Institute France\n[fnd], The University of Queensland Australia [fnd]", "NeedsCompilation": "no", "Language": "en-US", "Config/pak/sysreqs": "cmake", "Repository": "https://dchristop.r-universe.dev", "Date/Publication": "2024-06-02 07:33:00 UTC", "RemoteUrl": "https://github.com/dchristop/geomarchetypal", "RemoteRef": "HEAD", "RemoteSha": "5ae2dee2ee6fb47f614e5634fd1ac6f852e56a9b", "Packaged": { "Date": "2026-06-03 09:23:56 UTC", "User": "root" }, "MD5sum": "d6463e66e21778e1b93a2dbb3c4d8397", "_user": "dchristop", "_type": "src", "_file": "GeomArchetypal_1.0.1.tar.gz", "_fileid": "3ed46b048ba01fa83fd60a9088f7fd7bfa17baf748d0382d63dc2a8fd46164b4", "_filesize": 1007772, "_sha256": "3ed46b048ba01fa83fd60a9088f7fd7bfa17baf748d0382d63dc2a8fd46164b4", "_created": "2026-06-03T09:23:56.000Z", 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