{ "_id": "6a10477facfb0bcc41c9efd6", "Package": "gps", "Version": "1.2", "Date": "2023-05-21", "Title": "General P-Splines", "Authors@R": "person(\"Zheyuan\", \"Li\", role = c(\"aut\", \"cre\"),\nemail = \"zheyuan.li@bath.edu\",\ncomment = c(ORCID = \"0000-0002-7434-5947\"))", "Author": "Zheyuan Li [aut, cre] ()", "Maintainer": "Zheyuan Li ", "Description": "General P-splines are non-uniform B-splines penalized by a\ngeneral difference penalty, proposed by Li and Cao (2022)\n. Constructible on arbitrary knots, they\nextend the standard P-splines of Eilers and Marx (1996)\n. They are also related to the\nO-splines of O'Sullivan (1986) via\na sandwich formula that links a general difference penalty to a\nderivative penalty. The package includes routines for setting\nup and handling difference and derivative penalties. It also\nfits P-splines and O-splines to (x, y) data (optionally\nweighted) for a grid of smoothing parameter values in the\nautomatic search intervals of Li and Cao (2023)\n. It aims to facilitate other\npackages to implement P-splines or O-splines as a smoothing\ntool in their model estimation framework.", "License": "GPL-3", "NeedsCompilation": "yes", "URL": "https://github.com/ZheyuanLi/gps", "Repository": "https://zheyuanli.r-universe.dev", "Date/Publication": "2023-05-21 12:02:31 UTC", "RemoteUrl": "https://github.com/zheyuanli/gps", "RemoteRef": "HEAD", "RemoteSha": "ed5ea12192d369927e8b4e0ae29dc58399daef19", "Packaged": { "Date": "2026-05-10 09:39:25 UTC", "User": "root" }, "MD5sum": "37307b14b56110941e308d581bc6de7a", "_user": "zheyuanli", "_type": "src", "_file": "gps_1.2.tar.gz", "_fileid": "8ccf4260e936234fc1ca4b39c11ff252d3f9da791b92026d5f3d5b7b3c2a900e", "_filesize": 529606, "_sha256": "8ccf4260e936234fc1ca4b39c11ff252d3f9da791b92026d5f3d5b7b3c2a900e", "_created": "2026-05-10T09:39:25.000Z", "_published": "2026-05-22T12:09:34.995Z", "_distro": "noble", "_jobs": [ { "job": 77376499046, "time": 116, "config": "linux-devel-arm64", "r": "4.7.0", 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B-splines", "topics": [ "DemoPBS" ] }, { "page": "DemoSpl", "title": "Demonstrate a polynomial spline and its B-spline representation", "topics": [ "DemoSpl" ] }, { "page": "gps2GS", "title": "Penalized B-splines estimation with automatic grid search of their smoothing parameter", "topics": [ "DemoRhoLim", "gps2GS" ] }, { "page": "GramBS", "title": "Gram matrix of B-splines", "topics": [ "GramBS" ] }, { "page": "MakeGrid", "title": "Make a grid of x-values between domain knots", "topics": [ "MakeGrid" ] }, { "page": "penalty", "title": "Wiggliness penalties for penalized B-splines", "topics": [ "MPinv", "penalties", "penalty", "PriorCoef", "SparseD" ] }, { "page": "penutils", "title": "Utility functions for working with wiggliness penalties", "topics": [ "btSb", "DiffCoef", "penalty.utilities", "penalty.utils", "penutils" ] }, { "page": "periodic", "title": "Design matrix and general difference matrices for periodic B-splines", "topics": [ "pbsDesign", "periodic", "SparsePD" ] }, { 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