{ "_id": "6a1f2127b401979e73420580", "Package": "ssutil", "Title": "Sample Size Calculation Tools", "Version": "1.0.0", "Authors@R": "c(\nperson(\ngiven = \"John J.\",\nfamily = \"Aponte\",\nrole = c(\"aut\", \"cre\"),\nemail = \"john.j.aponte@gmail.com\",\ncomment = c(ORCID = \"0000-0002-3014-3673\")),\nperson(\ngiven = \"Chris\",\nfamily = \"Gast\",\nemail = \"cgast@path.org\",\nrole = \"ctb\")\n)", "Description": "Functions for sample size estimation and simulation in\nclinical trials. Includes methods for selecting the best group\nusing the Indifference-zone approach, as well as designs for\nnon-inferiority, equivalence, and negative binomial models. For\nthe sample size calculation for non-inferiority of vaccines,\nthe approach is based on Fleming, Powers, and Huang (2021)\n. The Indifference-zone approach\nis based on Sobel and Huyett (1957)\n and Bechhofer,\nSantner, and Goldsman (1995, ISBN:978-0-471-57427-9).", "License": "AGPL (>= 3)", "Encoding": "UTF-8", "Roxygen": "list(markdown = TRUE)", "RoxygenNote": "7.3.2", "Language": "en-US", "Config/testthat/edition": "3", "VignetteBuilder": "knitr", "URL": "https://johnaponte.github.io/ssutil/,\nhttps://github.com/johnaponte/ssutil", "BugReports": "https://github.com/johnaponte/ssutil/issues", "Config/pak/sysreqs": "cmake make libicu-dev libuv1-dev libxml2-dev\nlibssl-dev libnode-dev", "Repository": "https://johnaponte.r-universe.dev", "Date/Publication": "2025-06-10 07:43:51 UTC", "RemoteUrl": "https://github.com/johnaponte/ssutil", "RemoteRef": "HEAD", "RemoteSha": "80df74a1147036e9384a4a68a6b72433433bf486", "NeedsCompilation": "no", "Packaged": { "Date": "2026-05-16 07:42:20 UTC", "User": "root" }, "Author": "John J. Aponte [aut, cre] (ORCID:\n),\nChris Gast [ctb]", "Maintainer": "John J. 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