{ "_id": "6a100affacfb0bcc41c7fa38", "Package": "hgm", "Type": "Package", "Title": "Holonomic Gradient Method and Gradient Descent", "Version": "1.23", "Date": "2023-01-21", "Author": "Nobuki Takayama, Tamio Koyama, Tomonari Sei, Hiromasa Nakayama,\nKenta Nishiyama", "Maintainer": "Nobuki Takayama ", "Description": "The holonomic gradient method (HGM, hgm) gives a way to\nevaluate normalization constants of unnormalized probability\ndistributions by utilizing holonomic systems of differential or\ndifference equations. The holonomic gradient descent (HGD, hgd)\ngives a method to find maximal likelihood estimates by\nutilizing the HGM.", "License": "GPL-2", "LazyLoad": "yes", "URL": "http://www.openxm.org", "NeedsCompilation": "yes", "Packaged": { "Date": "2026-05-22 07:48:53 UTC", "User": "root" }, "Repository": "https://cran.r-universe.dev", "Date/Publication": "2023-01-31 21:10:02 UTC", "RemoteUrl": "https://github.com/cran/hgm", "RemoteRef": "HEAD", "RemoteSha": "c88285545bd81037a82ea65f9946121f4fda7ea8", "MD5sum": "32be08a2f81fc7b79f9a77673665df72", "_user": "cran", "_type": "src", "_file": "hgm_1.23.tar.gz", "_fileid": "91fd2dd454e2c7c7f54cb602d8e82bfe2e9409e90da8e0edbc41c2ab678de98d", "_filesize": 203372, "_sha256": "91fd2dd454e2c7c7f54cb602d8e82bfe2e9409e90da8e0edbc41c2ab678de98d", "_created": "2026-05-22T07:48:53.000Z", "_published": "2026-05-22T07:51:27.005Z", "_distro": "noble", "_jobs": [ { "job": 77338433674, "time": 106, "config": "linux-devel-arm64", "r": "4.7.0", "check": "NOTE", 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"Nobuki Takayama", "email": "takayama@math.kobe-u.ac.jp", "login": "nobuki-takayama", "description": "", "uuid": 6557622 }, "_registered": true, "_dependencies": [ { "package": "R", "version": ">= 2.6.0", "role": "Depends" }, { "package": "deSolve", "role": "Depends" } ], "_owner": "cran", "_selfowned": false, "_usedby": 0, "_updates": [], "_tags": [], "_stars": 1, "_contributors": [ { "user": "nobuki-takayama", "count": 8, "uuid": 6557622 } ], "_userbio": { "uuid": 6899542, "type": "organization", "name": "cran", "description": "Unofficial read-only mirror of all CRAN R packages" }, "_downloads": { "count": 210, "source": "https://cranlogs.r-pkg.org/downloads/total/last-month/hgm" }, "_searchresults": 9, "_topics": [ "openblas" ], "_rbuild": "4.6.0", "_assets": [ "extra/citation.cff", "extra/citation.html", "extra/citation.json", "extra/citation.txt", "extra/contents.json", "extra/hgm.html", "manual.pdf" ], "_realowner": "nobuki-takayama", "_cranurl": false, "_releases": [ { "version": "1.10", "date": "2015-03-27" }, { "version": "1.11", "date": "2015-04-03" }, { "version": "1.16", "date": "2016-10-30" }, { "version": "1.17", "date": "2017-04-01" }, { "version": "1.18", "date": "2020-02-06" }, { "version": "1.20", "date": "2022-04-07" }, { "version": "1.22", "date": "2022-10-26" }, { "version": "1.23", "date": "2023-01-31" } ], "_exports": [ "hgm.ncBingham", "hgm.ncorthant", "hgm.ncso3", "hgm.p2wishart", "hgm.pwishart", "hgm.Rhgm", "hgm.Rhgm.demo1" ], "_help": [ { "page": "hgm-package", "title": "HGM", "topics": [ "hgm-package", "HGM", "hgm" ] }, { "page": "hgm.se.hgm.Bingham", "title": "The function hgm.ncBingham performs the holonomic gradient method (HGM) for Bingham distributions.", "topics": [ "hgm.ncBingham" ] }, { "page": "hgm.ncorthant", "title": "The function hgm.ncorthant evaluates the orthant probability.", "topics": [ "hgm.ncorthant" ] }, { "page": "hgm.so3nc", "title": "The function hgm.ncso3 evaluates the normalization constant for the Fisher distribution on SO(3).", "topics": [ "hgm.ncso3" ] }, { "page": "hgm.c2wishart", "title": "The function hgm.p2wishart evaluates the cumulative distribution function of the largest eigenvalues of W1*inverse(W2).", "topics": [ "hgm.p2wishart" ] }, { "page": "hgm.cwishart", "title": "The function hgm.pwishart evaluates the cumulative distribution function of random wishart matrices.", "topics": [ "hgm.pwishart" ] }, { "page": "hgm.Rhgm", "title": "The function hgm.Rhgm performs the holonomic gradient method (HGM) for a given Pfaffian system and an initial value vector.", "topics": [ "hgm.Rhgm" ] }, { "page": "hgm.Rhgm.demo1", "title": "The function hgm.Rhgm.demo1 performs a demonstration of the function hgm.Rhgm.", "topics": [ "hgm.Rhgm.demo1" ] } ], "_rundeps": [ "deSolve" ], "_sysdeps": [ { "shlib": "liblapack", "package": "libopenblas0-pthread", "source": "openblas", "version": "0.3.26+ds-1ubuntu0.1", "name": "openblas", "homepage": "https://www.openblas.net/", "description": 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