{ "_id": "6ada64ff2ccc51e6c64e507d", "Package": "QGA", "Type": "Package", "Title": "Quantum Genetic Algorithm", "Version": "1.1", "Date": "2024-09-23", "Authors@R": "c(person(\"Giulio\", \"Barcaroli\", role = c(\"aut\", \"cre\"),\nemail = \"gbarcaroli@gmail.com\"))", "Description": "Function that implements the Quantum Genetic Algorithm,\nfirst proposed by Han and Kim in 2000. This is an R\nimplementation of the 'python' application developed by\nLahoz-Beltra\n().\nEach optimization problem is represented as a maximization one,\nwhere each solution is a sequence of (qu)bits. Following the\nquantum paradigm, these qubits are in a superposition state:\nwhen measuring them, they collapse in a 0 or 1 state. After\nmeasurement, the fitness of the solution is calculated as in\nusual genetic algorithms. The evolution at each iteration is\noriented by the application of two quantum gates to the\namplitudes of the qubits: (1) a rotation gate (always); (2) a\nPauli-X gate (optionally). The rotation is based on the theta\nangle values: higher values allow a quicker evolution, and\nlower values avoid local maxima. The Pauli-X gate is equivalent\nto the classical mutation operator and determines the swap\nbetween alfa and beta amplitudes of a given qubit. The package\nhas been developed in such a way as to permit a complete\nseparation between the engine, and the particular problem\nsubject to combinatorial optimization.", "License": "GPL (>= 2)", "Encoding": "UTF-8", "LazyLoad": "yes", "NeedsCompilation": "no", "Packaged": { "Date": "2026-10-22 19:30:09 UTC", "User": "root" }, "URL": "https://barcaroli.github.io/QGA/,\nhttps://github.com/barcaroli/QGA/", "BugReports": "https://github.com/barcaroli/QGA/issues", "VignetteBuilder": "knitr", "RoxygenNote": "7.3.3", "Repository": "https://barcaroli.r-universe.dev", "Date/Publication": "2026-10-22 17:57:34 UTC", "RemoteUrl": "https://github.com/barcaroli/qga", "RemoteRef": "HEAD", "RemoteSha": "216090be24b61e9fe4088822abe76a1e01f39b5e", "Author": "Giulio Barcaroli [aut, cre]", "Maintainer": "Giulio Barcaroli ", "_user": "barcaroli", "_type": "src", "_file": "QGA_1.1.tar.gz", "_fileid": "https://r2.ropensci.org/4496b529bee572beeecc0a28149d235166a004a9cd657b978a352f05939ff9d6", "_filesize": 626548, "_sha256": "4496b529bee572beeecc0a28149d235166a004a9cd657b978a352f05939ff9d6", "_expires": "2027-01-30T19:33:16.000Z", "_created": "2026-10-22T19:30:09.000Z", "_published": "2026-10-22T19:33:18.936Z", "_upstream": "https://github.com/barcaroli/qga", "_status": "failure", "_maintainer": { "name": "Giulio Barcaroli", "email": "gbarcaroli@gmail.com", "login": "barcaroli", "twitter": "@gbarcaroli", "description": "", "uuid": 5859179 }, "_jobs": [ { "job": 120040591086, "time": 130, "config": "linux-devel-x86_64", "r": "4.7.0", "check": "ERROR", "artifact": "12452822905" }, { "job": 120040591023, "time": 143, "config": "linux-release-x86_64", "r": "4.6.1", "check": "ERROR", "artifact": "12452898532" }, { "job": 120040591029, "time": 107, "config": "macos-oldrel-arm64", "r": "4.5.3", "check": "ERROR", "artifact": "12453435957" }, { "job": 120040591040, "time": 92, "config": "macos-release-arm64", "r": "4.6.1", "check": "ERROR", "artifact": "12451499695" }, { "job": 120039003223, "time": 171, "config": "source", "r": "4.6.1", "check": "ERROR", "artifact": "12452419310" }, { "job": 120040591117, "time": 82, "config": "wasm-release", "r": "4.6.0", "check": "OK", "artifact": "12452733006" }, { "job": 120040591159, "time": 63, "config": "windows-devel-x86_64", "r": "4.7.0", "check": "ERROR", "artifact": "12451404926" }, { "job": 120040591260, "time": 62, "config": "windows-oldrel-x86_64", "r": "4.5.3", "check": "ERROR", "artifact": "12453226661" }, { "job": 120040591163, "time": 70, "config": "windows-release-x86_64", "r": "4.6.1", "check": "ERROR", "artifact": "12452138715" } ], "_buildurl": "https://github.com/r-universe/barcaroli/actions/runs/39840192848", "_commit": { "id": "216090be24b61e9fe4088822abe76a1e01f39b5e", "author": "Giulio Barcaroli ", "committer": "Giulio Barcaroli ", "message": "new site\n", "time": 1792691854 }, "_distro": "resolute", "_host": "GitHub-Actions", "_registered": true, "_dependencies": [ { "package": "R", "version": ">= 3.5.0", "role": "Depends" }, { "package": "parallel", "role": "Depends" }, { "package": "knitr", "role": "Suggests" }, { "package": "rmarkdown", "role": "Suggests" }, { "package": "numDeriv", "role": "Suggests" } ], "_owner": "barcaroli", "_selfowned": true, "_usedby": 0, "_updates": [ { "week": "2025-44", "n": 1 }, { "week": "2026-43", "n": 4 } ], "_tags": [], "_stars": 0, "_contributors": [ { "user": "barcaroli", "count": 276, "uuid": 5859179 } ], "_userbio": { "uuid": 5859179, "type": "user", "name": "Giulio Barcaroli", "followers": 13 }, "_downloads": { "count": 315, "source": "https://cranlogs.r-pkg.org/downloads/total/last-month/QGA" }, "_devurl": "https://github.com/barcaroli/qga", "_pkgdown": "https://barcaroli.github.io/QGA/", "_searchresults": 16, "_rbuild": "4.6.1", "_assets": [ "extra/citation.cff", "extra/citation.html", "extra/citation.json", "extra/citation.txt", "extra/contents.json", "extra/manual.pdf", "extra/NEWS.html", "extra/NEWS.txt", "extra/QGA.html", "extra/readme.html", "extra/readme.md", "LICENSE" ], "_homeurl": "https://github.com/barcaroli/qga", "_realowner": "barcaroli", "_cranurl": true, "_releases": [ { "version": "1.0", "date": "2024-05-31" } ], "_exports": [ "parameters_hint", "QGA" ], "_help": [ { "page": "parameters_hint", "title": "Suggested parameter values for QGA", "topics": [ "parameters_hint" ] }, { "page": "QGA", "title": "Quantum Genetic Algorithm", "topics": [ "QGA" ] } ], "_readme": "https://github.com/barcaroli/qga/raw/HEAD/README.md", "_rundeps": [], "_score": 3.204119982655925, "_indexed": true, "_nocasepkg": "qga", "_universes": [ "barcaroli" ], "_binaries": [ { "r": "4.7.0", "os": "linux", "version": "1.1", "date": "2026-10-22T19:32:24.000Z", "distro": "resolute", "commit": "216090be24b61e9fe4088822abe76a1e01f39b5e", "fileid": "https://r2.ropensci.org/36755e1dc87adc23efe5c5442ff9fc95dee32f0f197bd26f2ecf8f16e79e5350", "status": "failure", "check": "ERROR", "buildurl": "https://github.com/r-universe/barcaroli/actions/runs/39840192848" }, { "r": "4.6.1", "os": "linux", "version": "1.1", "date": "2026-10-22T19:32:34.000Z", "distro": "resolute", "commit": "216090be24b61e9fe4088822abe76a1e01f39b5e", "fileid": "https://r2.ropensci.org/aa6571297e4d93f822f72a24f99763b93361ffdd64c4e171fb7f6b8b058f3669", "status": "failure", "check": "ERROR", "buildurl": "https://github.com/r-universe/barcaroli/actions/runs/39840192848" }, { "r": "4.5.3", "os": "mac", "version": "1.1", "date": "2026-10-22T19:32:21.000Z", "commit": "216090be24b61e9fe4088822abe76a1e01f39b5e", "fileid": "https://r2.ropensci.org/d29cd6ee1944489771279c456314a1ad3d0198f8f5aa22c5b39d48b15573a1e2", "status": "failure", "check": "ERROR", "buildurl": "https://github.com/r-universe/barcaroli/actions/runs/39840192848" }, { "r": "4.6.1", "os": "mac", "version": "1.1", "date": "2026-10-22T19:31:49.000Z", "commit": "216090be24b61e9fe4088822abe76a1e01f39b5e", "fileid": "https://r2.ropensci.org/50d182ec7f5a62fb0d30f505bb2e2dc8a24ba0ca2f4c21b84a57a4d814969fc8", "status": "failure", "check": "ERROR", "buildurl": "https://github.com/r-universe/barcaroli/actions/runs/39840192848" }, { "r": "4.6.0", "os": "wasm", "version": "1.1", "date": "2026-10-22T19:31:47.000Z", "commit": "216090be24b61e9fe4088822abe76a1e01f39b5e", "fileid": "https://r2.ropensci.org/d2109c8fc4cbfbbccee392e8477ab321cfba8a28479d85b81b4fdd6df1dc833a", "status": "success", "buildurl": "https://github.com/r-universe/barcaroli/actions/runs/39840192848" }, { "r": "4.7.0", "os": "win", "version": "1.1", "date": "2026-10-22T19:31:12.000Z", "commit": "216090be24b61e9fe4088822abe76a1e01f39b5e", "fileid": "https://r2.ropensci.org/6c7da062e8fcfea94ce4c9cf720453f14a96283538dd13914c448d8fae957a8c", "status": "failure", "check": "ERROR", "buildurl": "https://github.com/r-universe/barcaroli/actions/runs/39840192848" }, { "r": "4.5.3", "os": "win", "version": "1.1", "date": "2026-10-22T19:31:12.000Z", "commit": "216090be24b61e9fe4088822abe76a1e01f39b5e", "fileid": "https://r2.ropensci.org/4bdebcc7da86cc4c285ecb43f57cfea7b44d2965b8dbf197a1595d05f8f057fe", "status": "failure", "check": "ERROR", "buildurl": "https://github.com/r-universe/barcaroli/actions/runs/39840192848" }, { "r": "4.6.1", "os": "win", "version": "1.1", "date": "2026-10-22T19:31:20.000Z", "commit": "216090be24b61e9fe4088822abe76a1e01f39b5e", "fileid": "https://r2.ropensci.org/46cc1e1b294815bf6ed7a366ce17b21788fe6511564bbda4b574ccae0a4f9a03", "status": "failure", "check": "ERROR", "buildurl": "https://github.com/r-universe/barcaroli/actions/runs/39840192848" } ] }