{ "_id": "6a62fc09d3420cf5dfdb5a49", "Package": "scorematchingad", "Title": "Score Matching Estimation by Automatic Differentiation", "Version": "0.1.6", "Authors@R": "c(person(given = \"Kassel Liam\", family = \"Hingee\", email = \"kassel.hingee@anu.edu.au\", role = c(\"aut\", \"cre\"), comment = c(ORCID = \"0000-0001-9894-2407\")),\nperson(\"Janice\", \"Scealy\", role = c(\"aut\"), comment = c(ORCID = \"0000-0002-9718-869X\")),\nperson(\"Bradley M.\", \"Bell\", role = c(\"cph\"))\n)", "Description": "Hyvärinen's score matching (Hyvärinen, 2005)\n is a useful\nestimation technique when the normalising constant for a\nprobability distribution is difficult to compute. This package\nimplements score matching estimators using automatic\ndifferentiation in the 'CppAD' library\n and is designed for quickly\nimplementing score matching estimators for new models. Also\navailable is general robustification (Windham, 1995)\n. Already in the package\nare estimators for directional distributions (Mardia, Kent and\nLaha, 2016) and the flexible\nPolynomially-Tilted Pairwise Interaction model for\ncompositional data. The latter estimators perform well when\nthere are zeros in the compositions (Scealy and Wood, 2023)\n, even many zeros (Scealy,\nHingee, Kent, and Wood, 2024) .\nA partial interface to CppAD's ADFun objects is also available.", "License": "GPL (>=3)", "Encoding": "UTF-8", "LazyData": "true", "ByteCompile": "true", "Roxygen": "list(markdown = TRUE)", "RoxygenNote": "7.3.2", "RdMacros": "Rdpack", "Config/testthat/edition": "3", "URL": "https://github.com/kasselhingee/scorematchingad", "BugReports": "https://github.com/kasselhingee/scorematchingad/issues", "Config/pak/sysreqs": "cmake", "Repository": "https://kasselhingee.r-universe.dev", "Date/Publication": "2025-11-30 02:36:34 UTC", "RemoteUrl": "https://github.com/kasselhingee/scorematchingad", "RemoteRef": "HEAD", "RemoteSha": "d508563e8df067807530a0629a3a9f9e76ddf6d9", "NeedsCompilation": "yes", "Packaged": { "Date": "2026-07-24 05:20:27 UTC", "User": "root" }, "Author": "Kassel Liam Hingee [aut, cre] (ORCID:\n),\nJanice Scealy [aut] (ORCID: ),\nBradley M. Bell [cph]", "Maintainer": "Kassel Liam Hingee ", "_user": "kasselhingee", "_type": "src", "_file": "scorematchingad_0.1.6.tar.gz", "_fileid": "https://r2.ropensci.org/261d173dfe4367950620e2c124d39dbdf44df3b1f400d2ec49fb383e05405f7c", "_filesize": 1945120, "_sha256": "261d173dfe4367950620e2c124d39dbdf44df3b1f400d2ec49fb383e05405f7c", "_expires": "2026-11-01T05:45:43.000Z", "_created": "2026-07-24T05:20:27.000Z", "_published": "2026-07-24T05:45:45.760Z", "_jobs": [ { "job": 89406382266, "time": 324, "config": "linux-devel-arm64", "r": "4.7.0", "check": "OK", "artifact": "8587449867" }, { "job": 89406382265, "time": 315, "config": "linux-devel-x86_64", "r": "4.7.0", "check": "OK", "artifact": "8587447735" }, { "job": 89406382294, "time": 320, "config": "linux-release-arm64", "r": "4.6.1", "check": "OK", "artifact": "8587448902" }, { "job": 89406382285, "time": 325, "config": "linux-release-x86_64", "r": "4.6.1", "check": "OK", "artifact": "8587450034" }, { "job": 89406382335, "time": 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