{ "_id": "6a0f679facfb0bcc41c5d82a", "Package": "IRTM", "Title": "Theory-Driven Item Response Theory (IRT) Models", "Version": "0.0.1.2", "Authors@R": "c(person(given = \"Marco\",\nfamily = \"Morucci\",\nrole = \"aut\",\nemail = \"moruccim@msu.edu\"),\nperson(given = \"Margaret\",\nfamily = \"Foster\",\nrole = \"aut\",\nemail = \"m.jenkins.foster@gmail.com\",\ncomment = c(ORCID = \"0000-0002-6418-8394\")),\nperson(given = \"David\",\nfamily = \"Siegel\",\nrole = c(\"aut\", \"cre\"),\nemail = \"david.siegel@duke.edu\",\ncomment = c(ORCID = \"0000-0003-1619-6119\")))", "Description": "IRT-M is a semi-supervised approach based on Bayesian Item\nResponse Theory that produces theoretically identified\nunderlying dimensions from input data and a constraints matrix.\nThe methodology is fully described in 'Morucci et al. (2024),\n\"Measurement That Matches Theory: Theory-Driven Identification\nin Item Response Theory Models\"'. Details are available at\n.", "License": "MIT + file LICENSE", "Encoding": "UTF-8", "RoxygenNote": "7.3.2", "VignetteBuilder": "knitr", "LazyData": "true", "Config/testthat/edition": "3", "Language": "en-US", "NeedsCompilation": "yes", "Packaged": { "Date": "2026-05-21 09:26:03 UTC", "User": "root" }, "Author": "Marco Morucci [aut], Margaret Foster [aut] (ORCID:\n), David Siegel [aut,\ncre] (ORCID: )", "Maintainer": "David Siegel ", "Repository": "https://cran.r-universe.dev", "Date/Publication": "2026-04-21 08:12:49 UTC", "RemoteUrl": "https://github.com/cran/IRTM", "RemoteRef": "HEAD", "RemoteSha": "a9559886041480ce5785d4ac86f3f0f5bcc30766", "MD5sum": "77c0c9bdcecc717b4cfcb7cc29b779d6", "_user": "cran", "_type": "src", "_file": "IRTM_0.0.1.2.tar.gz", "_fileid": "dddb47db4d2d33b19831ac1c905f37d428dc3bbf0c1da9e3f3d3c6f8a8bd4b90", "_filesize": 2563525, "_sha256": "dddb47db4d2d33b19831ac1c905f37d428dc3bbf0c1da9e3f3d3c6f8a8bd4b90", "_created": "2026-05-21T09:26:03.000Z", "_published": "2026-05-21T20:14:23.488Z", "_distro": "noble", "_jobs": [ { "job": 77259850981, "time": 202, "config": "linux-devel-arm64", "r": "4.7.0", "check": "OK", "artifact": "7132161789" }, { "job": 77259851074, "time": 208, "config": "linux-devel-x86_64", "r": "4.7.0", "check": "OK", "artifact": "7132163763" }, { "job": 77259851550, "time": 187, "config": "linux-release-arm64", "r": "4.6.0", "check": "OK", "artifact": "7132157063" }, { "job": 77259851551, "time": 219, "config": "linux-release-x86_64", "r": "4.6.0", "check": "OK", "artifact": "7132167272" }, { "job": 77259850537, "time": 365, "config": "source", "r": "4.6.0", "check": "OK", "artifact": "7132089675" }, { "job": 77259850451, "time": 134, "config": "wasm-release", "r": "4.6.0", "check": "OK", "artifact": "7146167973" } ], "_buildurl": "https://github.com/r-universe/cran/actions/runs/26217211814", "_status": "success", "_host": "GitHub-Actions", "_upstream": "https://github.com/cran/IRTM", "_commit": { "id": "a9559886041480ce5785d4ac86f3f0f5bcc30766", "author": "David Siegel ", "committer": "cran-robot ", "message": "version 0.0.1.2\n", "time": 1776759169 }, "_maintainer": { "name": "David Siegel", "email": "david.siegel@duke.edu", "login": "dasiegel", "description": "", "uuid": 19367725, "orcid": "0000-0003-1619-6119" }, "_registered": true, "_dependencies": [ { "package": "truncnorm", "role": "Depends" }, { "package": "tmvtnorm", "role": "Depends" }, { "package": "utils", "role": "Depends" }, { "package": "RcppProgress", "role": "Depends" }, { "package": "RcppDist", "role": "Depends" }, { "package": "ggplot2", "role": "Depends" }, { "package": "R", "version": ">= 3.5.0", "role": "Depends" }, { "package": "Rcpp", "role": "LinkingTo" }, { "package": "RcppArmadillo", "role": "LinkingTo" }, { "package": "RcppDist", "role": "LinkingTo" }, { "package": "RcppProgress", "role": "LinkingTo" }, { "package": "coda", "role": "Imports" }, { "package": "Rcpp", "role": "Imports" }, { "package": "RcppArmadillo", "role": "Imports" }, { "package": "ggridges", "role": "Imports" }, { "package": "rlang", "role": "Imports" }, { "package": "dplyr", "role": "Imports" }, { "package": "reshape2", "role": "Imports" }, { "package": "knitr", "role": "Suggests" }, { "package": "rmarkdown", "role": "Suggests" }, { "package": "testthat", "version": ">= 3.0.0", "role": "Suggests" }, { "package": "RColorBrewer", "role": "Suggests" }, { "package": "fastDummies", "role": "Suggests" }, { "package": "ggrepel", "role": "Suggests" }, { "package": "tidyverse", "role": "Suggests" }, { "package": "spelling", "role": "Suggests" } ], "_owner": "cran", "_selfowned": false, "_usedby": 0, "_updates": [ { "week": "2026-17", "n": 1 } ], "_tags": [ { "name": "0.0.1.2", "date": "2026-04-21" } ], "_stars": 0, "_contributors": [ { "user": "dasiegel", "count": 1, "uuid": 19367725 }, { "user": "margaretfoster", "count": 1, "uuid": 10012916 } ], "_userbio": { "uuid": 6899542, "type": "organization", "name": "cran", "description": "Unofficial read-only mirror of all CRAN R packages" }, "_downloads": { "count": 521, "source": "https://cranlogs.r-pkg.org/downloads/total/last-month/IRTM" }, "_searchresults": 29, "_topics": [ "openblas", "cpp", "openmp" ], "_rbuild": "4.6.0", "_assets": [ "extra/citation.cff", "extra/citation.html", "extra/citation.json", "extra/citation.txt", "extra/contents.json", "extra/IRTM.html", "extra/NEWS.html", "extra/NEWS.txt", "extra/readme.html", "extra/readme.md", "manual.pdf" ], "_realowner": "dasiegel", "_cranurl": false, "_releases": [ { "version": "0.0.1.1", "date": "2025-04-19" }, { "version": "0.0.1.2", "date": "2026-04-21" } ], "_exports": [ "dim_corr", "get_lambdas", "Geweke_convergence", "irt_m", "irt_vis", "M_constrained_irt", "mse", "pair_gen_anchors", "standardize_theta", "theta_av", "theta_lambda_traceplots" ], "_datasets": [ { "name": "MCodes", "title": "Methodological Codes", "object": "mcodes", "class": [ "spec_tbl_df", "tbl_df", "tbl", "data.frame" ], "fields": [ "QCode", "QMap", "SubstantiveNotes", "D1-Culture threat", "D2-ReligionThreat", "D3-Economic Threat", "D4-HealthThreat", "O1-OutcomeSupportImmigration", "O2-OutcomeSupportEU" ], "rows": 793, "table": true, "tojson": true }, { "name": "synth_idvs", "title": "Synthetic Independent Variables", "object": "synth_idvs", "class": [ "data.frame" ], "fields": [ "X", "uniqid", "d63", "class", "polorient", "mediatrust", "trustnom", "trustallm", "trustwebonly", "trusttradm", "qa6a_1", "qa6a_2", "qa6a_5", "qa6a_3", "qa6at", "qa6a_4", "d63.1", "d15a", "d1r2", "d1", "d11r1", "d10", "d1r1", "d15a_r1", "d11", "d11r2", "d15a_r2" ], "rows": 3000, "table": true, "tojson": true }, { "name": "synth_questions", "title": "Questions for the Synthetic European sentiment survey in the vignette", "object": "synth_questions", "class": [ "data.frame" ], "fields": [ "d73_4", "qa10_3", "qd5_14", "qa4a_5", "qa2a_4", "polintr_4", "qa2a_5", "d40b", "qa6b_3", "qa13_2", "qa4a_4", "d40a_r", "d40abc_r3", "qa4a_9", "qa4a_13", "qa2a_6", "d70", "qa3a_11", "qa16", "sd22_1", "d8", "d40b_r", "qa19", "d62_4", "polintr_1", "qd5_6", "qa6b_1", "d62_2", "netuse", "qa3a_17", "qc1a_4", "d8r2", "d78", "d9r", "qd5_15", "d40c", "d40abc_r1", "sd22t7", "d40abc_r4", "qa4a_12", "qa4a_17", "d71_2", "qc1a_1", "qa1a_4", "qa18_5", "qa4a_18", "qc1a_3", "qa17", "qd5_2", "d62_1", "sd22t3", "qa3a_4", "d71_1", "qa4a_15", "d9", "d40abc_r2", "qd5_1", "qd1", "qa2a_1", "qd8_3", "qa14", "qa4a_1", "sd22t8", "qa1a_5", "qa10_2", "qa3a_3", "qa4a_19", "qa3a_10", "qa7_1", "qa3a_2", "qa3a_5", "qd5_16", "qa3a_8", "qa3a_14", "d73_2", "d40c_r", "d8r1", "qd5_12", "sd22t6", "qd5_9", "d73_1", "qa4a_16", "d62_3", "qa3a_16", "qa13_1", "qd5_10", "qa8_1", "qa6b_10", "qd5_8", "qa2a_3", "qa1a_6", "qa3a_15", "qa4a_6", "d71_3", "sd22t2", "qa1a_2", "qc1a_2", "qd5_13", "qa18_3", "qd8_4", "qd8_1", "qa3a_18", "qa3a_9", "d40a", "qa6b_8", "polintr_3", "qa3a_13", "d7", "qa4a_11", "d60", "sd22t4", "qd5_7", "qa3a_6", "qd2", "qa4a_3", "polintr_2", "qa2a_2", "qa4a_14", "qa2a_7", "qa1a_3", "qa10_1", "qd5_5", "d25", "sd22t5", "qa3a_1", "qd5t", "qd8_2", "qa1a_1", "sd22_2", "qd5_11", "qa3a_12", "qa8_2", "qd5_4", "sd22t1", "d7r", "qa18_1", "qd5_3", "d62t", "qa18_2", "d73_3", "qa4a_7", "sd18a", "qa4a_10", "qa7_2", "qa1a_7", "qa4a_2" ], "rows": 3000, "table": true, "tojson": true } ], "_help": [ { "page": "dim_corr", "title": "learned correlations", "topics": [ "dim_corr" ] }, { "page": "get_lambdas", "title": "get_lambdas", "topics": [ "get_lambdas" ] }, { "page": "Geweke_convergence", "title": "Geweke Convergence", "topics": [ "Geweke_convergence" ] }, { "page": "irt_m", "title": "irt_m", "topics": [ "irt_m" ] }, { "page": "irt_vis", "title": "irt_vis", "topics": [ "irt_vis" ] }, { "page": "M_constrained_irt", "title": "M_constrained_irt", "topics": [ "M_constrained_irt" ] }, { "page": "MCodes", "title": "Methodological Codes", "topics": [ "MCodes" ] }, { "page": "mse", "title": "Mean Squared Error", "topics": [ "mse" ] }, { "page": "pair_gen_anchors", "title": "pair_gen_anchors", "topics": [ "pair_gen_anchors" ] }, { "page": "standardize_theta", "title": "Standardize Theta", "topics": [ "standardize_theta" ] }, { "page": "synth_idvs", "title": "Synthetic Independent Variables", "topics": [ "synth_idvs" ] }, { "page": "synth_questions", "title": "Questions for the Synthetic European sentiment survey in the vignette", "topics": [ "synth_questions" ] }, { "page": "theta_av", "title": "Average Thetas", "topics": [ "theta_av" ] }, { "page": "theta_lambda_traceplots", "title": "Theta Lambda Traceplots", "topics": [ "theta_lambda_traceplots" ] } ], "_readme": "https://github.com/cran/IRTM/raw/HEAD/README.md", "_rundeps": [ "cli", "coda", "cpp11", "dplyr", "farver", "generics", "ggplot2", "ggridges", "glue", "gmm", "gtable", "isoband", "labeling", "lattice", "lifecycle", "magrittr", "Matrix", "mvtnorm", "pillar", "pkgconfig", "plyr", "R6", "RColorBrewer", "Rcpp", "RcppArmadillo", "RcppDist", "RcppProgress", "reshape2", "rlang", "S7", "sandwich", "scales", "stringi", "stringr", "tibble", "tidyselect", "tmvtnorm", "truncnorm", "utf8", "vctrs", "viridisLite", "withr", "zoo" ], "_sysdeps": [ { "shlib": "liblapack", "package": "libopenblas0-pthread", "source": "openblas", "version": "0.3.26+ds-1ubuntu0.1", "name": "openblas", "homepage": "https://www.openblas.net/", "description": "Optimized BLAS (linear algebra) library (shared lib, pthread)" }, { "shlib": "libblas", "package": "libopenblas0-pthread", "source": "openblas", "version": "0.3.26+ds-1ubuntu0.1", "name": "openblas", "homepage": "https://www.openblas.net/", "description": "Optimized BLAS (linear algebra) library (shared lib, pthread)" }, { "shlib": "libstdc++", "package": "libstdc++6", "source": "gcc", "version": "14.2.0-4ubuntu2~24.04.1", "name": "c++", "homepage": "http://gcc.gnu.org/", "description": "GNU Standard C++ Library v3" }, { "shlib": "libgomp", "package": "libgomp1", "source": "gcc", "version": "14.2.0-4ubuntu2~24.04.1", "name": "openmp", "homepage": "http://gcc.gnu.org/", "description": "GCC OpenMP (GOMP) support library" } ], "_vignettes": [ { "source": "introduction_synth.Rmd", "filename": "introduction_synth.html", "title": "IRT-M Vignette (Synthetic Data)", "author": "Margaret J Foster", "engine": "knitr::rmarkdown", "headings": [ "Packages", "Loading the package; Dependencies", "Formatting the Observed Data", "Creating the M-Matrix", "Processing with IRT-M", "Interpretation and Analysis", "Correlation matrices", "Visualizations", "Lambda" ], "created": "2025-04-19 12:22:01", "modified": "2026-04-21 08:12:49", "commits": 2 } ], "_score": 3.161368002234975, "_indexed": false, "_nocasepkg": "irtm", "_universes": [ "cran" ], "_indexurl": "https://dasiegel.r-universe.dev/IRTM", "_binaries": [ { "r": "4.7.0", "os": "linux", "version": "0.0.1.2", "date": "2026-05-21T09:28:58.000Z", "distro": "noble", "arch": "aarch64", "commit": "a9559886041480ce5785d4ac86f3f0f5bcc30766", "fileid": "f96e2bcacb697ce2e6fcd1e09b8066b7296c31c4e82cffad6453c16d0ac721a7", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/cran/actions/runs/26217211814" }, { "r": "4.7.0", "os": "linux", "version": "0.0.1.2", "date": "2026-05-21T09:28:52.000Z", "distro": "noble", "arch": "x86_64", "commit": "a9559886041480ce5785d4ac86f3f0f5bcc30766", "fileid": "5d21197baaecdac224e5ff2e5f59b60befdafdbe676acf3f1874c6044cdc9a77", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/cran/actions/runs/26217211814" }, { "r": "4.6.0", "os": "linux", "version": "0.0.1.2", "date": "2026-05-21T09:28:43.000Z", "distro": "noble", "arch": "aarch64", "commit": "a9559886041480ce5785d4ac86f3f0f5bcc30766", "fileid": "9ca00e4d35c612337709bf49b5830ccf26faa26ed7cb28406d588203bf0cfc6f", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/cran/actions/runs/26217211814" }, { "r": "4.6.0", "os": "linux", "version": "0.0.1.2", "date": "2026-05-21T09:28:57.000Z", "distro": "noble", "arch": "x86_64", "commit": "a9559886041480ce5785d4ac86f3f0f5bcc30766", "fileid": "3712929f6131e52c1ea9b45fff3f526d7a00ce2ac40b9dd885a3bacf38cbcb9c", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/cran/actions/runs/26217211814" }, { "r": "4.6.0", "os": "wasm", "version": "0.0.1.2", "date": "2026-05-21T20:13:45.000Z", "arch": "emscripten", "commit": "a9559886041480ce5785d4ac86f3f0f5bcc30766", "fileid": "fc7b92524aa7d1219c8ec9d52bb94b3aa8e6ffc2f31c5e0f922477368df4d851", "status": "success", "buildurl": "https://github.com/r-universe/cran/actions/runs/26217211814" } ] }