{ "_id": "6a4a30365f97fb67db1bbeb1", "Package": "NPBBBdesigns", "Type": "Package", "Title": "Construction and a-Efficiency of Nested Partially Balanced\nBipartite Block Designs", "Version": "1.0.0", "Authors@R": "c(person(given = \"Vinayaka\", \nrole = c(\"aut\", \"cre\"),\nemail = \"vinayaka.b3vs@gmail.com\",\ncomment = c(ORCID = \"0000-0001-5004-0084\")),\nperson(given = \"Rajender\",\nfamily = \"Parsad\",\nrole = c(\"aut\", \"ctb\")),\nperson(given = \"B.N.\",\nfamily = \"Mandal\",\nrole = c(\"aut\", \"ctb\")),\nperson(given = \"L.N.\",\nfamily = \"Vinaykumar\",\nrole = c(\"aut\", \"ctb\")),\nperson(given = \"Gopalareddy\",\nfamily = \"Krishnappa\",\nrole = c(\"aut\", \"ctb\"),\ncomment = c(ORCID = \"0000-0002-8825-6363\")))", "Maintainer": "Vinayaka ", "Description": "Construction and evaluation of nested partially balanced\nbipartite block (NPBBB) designs for comparing a set of test\ntreatments with a set of control treatments under a nested\n(blocks within blocks) structure. Six systematic construction\nmethods are provided: composing partially balanced bipartite\nblock designs with nested balanced incomplete block designs;\naugmenting nested partially balanced incomplete block designs\nwith controls; merging rows of group-divisible nested designs;\ndirect construction from group-divisible schemes; and expansion\nof partially balanced incomplete block designs (Vinayaka et al.\n2026: In press). The A-efficiencies of the block and sub-block\nclassifications are computed against the A-optimal completely\nsymmetric reference design, following the test-versus-control\noptimality framework of Gupta and Parsad (1996)\n and Vinayaka et al. (2024)\n. These designs are\nparticularly suited to agricultural, animal husbandry,\nindustrial, and clinical trials involving multiple standard\nchecks under nested experimental conditions, such as\nmulti-environment trials where field heterogeneity (blocks) and\nwithin-field variation (sub-blocks) must be controlled\nsimultaneously.", "License": "GPL-3", "Encoding": "UTF-8", "Config/testthat/edition": "3", "NeedsCompilation": "no", "Config/roxygen2/version": "8.0.0", "Packaged": { "Date": "2026-07-05 10:18:51 UTC", "User": "root" }, "Author": "Vinayaka [aut, cre] (ORCID:\n), Rajender Parsad [aut,\nctb], B.N. Mandal [aut, ctb], L.N. Vinaykumar [aut, ctb],\nGopalareddy Krishnappa [aut, ctb] (ORCID:\n)", "Repository": "https://vinayaka11442.r-universe.dev", "Date/Publication": "2026-07-04 07:30:02 UTC", "RemoteUrl": "https://github.com/cran/NPBBBdesigns", "RemoteRef": "HEAD", "RemoteSha": "e7b2d577259071be65d93c02cba762157a495724", "_user": "vinayaka11442", "_type": "src", "_file": "NPBBBdesigns_1.0.0.tar.gz", "_fileid": "https://r2.ropensci.org/85bfa73470e0034187b8aa79fe2fffaa7379eb840265f8a77eaf1f343e39b5cc", "_filesize": 199865, "_sha256": "85bfa73470e0034187b8aa79fe2fffaa7379eb840265f8a77eaf1f343e39b5cc", "_expires": "2026-10-13T10:21:41.000Z", "_created": "2026-07-05T10:18:51.000Z", "_published": "2026-07-05T10:21:42.733Z", "_jobs": [ { "job": 85214193219, "time": 97, "config": "linux-devel-x86_64", "r": "4.7.0", "check": "OK", "artifact": "8090807771" }, { "job": 85214193231, "time": 98, "config": "linux-release-x86_64", "r": "4.6.1", "check": "OK", "artifact": "8090807953" }, { "job": 85214193221, "time": 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