{ "_id": "6a1eb14eb25058d4daadbbd3", "Package": "groupedSurv", "Type": "Package", "Title": "Efficient Estimation of Grouped Survival Models Using the Exact\nLikelihood Function", "Version": "1.0.5.1", "Date": "2023-09-28", "Author": "Jiaxing Lin [aut], Alexander Sibley [aut], Tracy Truong [aut],\nKouros Owzar [aut], Zhiguo Li [aut], Layne Rogers [ctb], Yu\nJiang [ctb], Janice McCarthy [ctb], Andrew Allen [ctb]", "Maintainer": "Alexander Sibley ", "Description": "These 'Rcpp'-based functions compute the efficient score\nstatistics for grouped time-to-event data (Prentice and\nGloeckler, 1978), with the optional inclusion of baseline\ncovariates. Functions for estimating the parameter of interest\nand nuisance parameters, including baseline hazards, using\nmaximum likelihood are also provided. A parallel set of\nfunctions allow for the incorporation of family structure of\nrelated individuals (e.g., trios). Note that the current\nimplementation of the frailty model (Ripatti and Palmgren,\n2000) is sensitive to departures from model assumptions, and\nshould be considered experimental. For these data, the exact\nproportional-hazards-model-based likelihood is computed by\nevaluating multiple variable integration. The integration is\naccomplished using the 'Cuba' library (Hahn, 2005), and the\nsource files are included in this package. The maximization\nprocess is carried out using Brent's algorithm, with the C++\ncode file from John Burkardt and John Denker (Brent, 2002).", "License": "GPL (>= 2)", "VignetteBuilder": "knitr", "BuildVignettes": "yes", "NeedsCompilation": "yes", "RoxygenNote": "6.0.1", "Packaged": { "Date": "2026-06-02 10:23:17 UTC", "User": "root" }, "Config/pak/sysreqs": "libicu-dev", "Repository": "https://dcibioinformatics.r-universe.dev", "Date/Publication": "2023-09-28 22:30:39 UTC", "RemoteUrl": "https://github.com/cran/groupedSurv", "RemoteRef": "HEAD", "RemoteSha": "dea1f25933e6250160c0943bc66422848c13db5b", "MD5sum": "f36b7a6a7d5558c0d7fc9f92e120cbeb", "_user": "dcibioinformatics", "_type": "src", "_file": "groupedSurv_1.0.5.1.tar.gz", "_fileid": "e9c0fa75d14ff111a72ab5e694afbe132149b7015b6205fe029ae9df13bfbf95", "_filesize": 456297, "_sha256": "e9c0fa75d14ff111a72ab5e694afbe132149b7015b6205fe029ae9df13bfbf95", "_created": "2026-06-02T10:23:17.000Z", "_published": "2026-06-02T10:32:46.339Z", 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