{ "_id": "6ae1de99327abcdf86864b74", "Package": "orthoDr", "Type": "Package", "Title": "Semi-Parametric Dimension Reduction Models Using Orthogonality\nConstrained Optimization", "Version": "0.6.8", "Authors@R": "c(\nperson(\"Ruilin\", \"Zhao\",\nemail = \"rzhao15@seas.upenn.edu\",\nrole = c(\"aut\", \"cph\")),\nperson(\"Ruoqing\", \"Zhu\",\nemail = \"teazrq@gmail.com\",\nrole = c(\"aut\", \"cre\", \"cph\"),\ncomment = c(ORCID = \"0000-0002-0753-5716\")),\nperson(\"Jiyang\", \"Zhang\",\nemail = \"jiyangz2@illinois.edu\",\nrole = c(\"aut\", \"cph\")),\nperson(\"Wenzhuo\", \"Zhou\",\nemail = \"wenzhuo3@illinois.edu\",\nrole = c(\"aut\", \"cph\")),\nperson(\"Peng\", \"Xu\",\nemail = \"px2132@columbia.edu\",\nrole = c(\"aut\", \"cph\")),\nperson(\"James Joseph\", \"Balamuta\",\nemail = \"balamut2@illinois.edu\",\nrole = c(\"ctb\"),\ncomment = c(ORCID = \"0000-0003-2826-8458\"))\n)", "Description": "Utilize an orthogonality constrained optimization\nalgorithm of Wen & Yin (2013) \nto solve a variety of dimension reduction problems in the\nsemiparametric framework, such as Ma & Zhu (2012)\n, Ma & Zhu (2013)\n, Sun, Zhu, Wang & Zeng (2019)\n and Zhou, Zhu & Zeng (2021)\n. The package also implements some\nexisting dimension reduction methods such as hMave by Xia,\nZhang, & Xu (2010) and partial\nSAVE by Feng, Wen & Zhu (2013)\n. It also serves as a general\npurpose optimization solver for problems with orthogonality\nconstraints, i.e., in Stiefel manifold. Parallel computing for\napproximating the gradient is enabled through 'OpenMP'.", "License": "GPL (>= 2)", "Encoding": "UTF-8", "LazyData": "TRUE", "URL": "https://github.com/teazrq/orthoDr", "BugReports": "https://github.com/teazrq/orthoDr/issues", "RoxygenNote": "7.3.1", "NeedsCompilation": "yes", "Packaged": { "Date": "2026-10-28 11:20:52 UTC", "User": "root" }, "Author": "Ruilin Zhao [aut, cph], Ruoqing Zhu [aut, cre, cph]\n(), Jiyang Zhang [aut,\ncph], Wenzhuo Zhou [aut, cph], Peng Xu [aut, cph], James Joseph\nBalamuta [ctb] ()", "Maintainer": "Ruoqing Zhu ", "Repository": "https://cran.r-universe.dev", "Date/Publication": "2024-03-14 02:30:47 UTC", "RemoteUrl": "https://github.com/cran/orthoDr", "RemoteRef": "HEAD", "RemoteSha": "bb7629d3b5a2ed3ff2b89cce683992b998644169", "_user": "cran", "_type": "src", "_file": "orthoDr_0.6.8.tar.gz", "_fileid": "https://r2.ropensci.org/5dcd01fb134aeff7972957647800db6973ee48b6397d54889fc2f0fd99405304", "_filesize": 274022, "_sha256": 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