{ "_id": "6ae6fcef1e2c7b3a4f52f935", "Package": "staggR", "Type": "Package", "Title": "Fit Difference-in-Differences Models with Staggered\nInterventions", "Version": "0.2.2", "Authors@R": "c(person(\"Kyle\", \"Hart\",\nemail = \"hartky@ohsu.edu\",\nrole = c(\"aut\", \"cre\", \"cph\"),\ncomment = c(ORCID = \"0000-0001-8964-204X\")),\nperson(\"Stephan\", \"Lindner\",\nrole = c(\"aut\")))", "Description": "Fits linear difference-in-differences models in scenarios\nwhere intervention roll-outs are staggered over time. The\npackage implements a version of an approach proposed by Sun and\nAbraham (2021) to estimate\ncohort- and time-since-treatment specific\ndifference-in-differences parameters, and it provides\nconvenience functions both for specifying the model and for\nflexibly aggregating coefficients to answer a variety of\nresearch questions.", "URL": "https://github.com/chse-ohsu/staggR", "BugReports": "https://github.com/chse-ohsu/staggR/issues", "License": "GPL-3", "Encoding": "UTF-8", "LazyData": "true", "Roxygen": "list(markdown = TRUE)", "RoxygenNote": "7.3.3", "VignetteBuilder": "knitr", "Repository": "https://chse-ohsu.r-universe.dev", "Date/Publication": "2026-10-02 21:44:10 UTC", "RemoteUrl": "https://github.com/chse-ohsu/staggr", "RemoteRef": "HEAD", "RemoteSha": "3f876f0451f4df8cdc70f0ee6119de195e7b3a00", "NeedsCompilation": "no", "Packaged": { "Date": "2026-11-01 08:28:14 UTC", "User": "root" }, "Author": "Kyle Hart [aut, cre, cph] (ORCID:\n),\nStephan Lindner [aut]", "Maintainer": "Kyle Hart ", "_user": "chse-ohsu", "_type": "src", "_file": "staggR_0.2.2.tar.gz", "_fileid": "https://r2.ropensci.org/d7d2446718516bdeb3b5f3f0bb809f193a5aab76dc907b224ef45231d23110db", "_filesize": 1494942, "_sha256": "d7d2446718516bdeb3b5f3f0bb809f193a5aab76dc907b224ef45231d23110db", "_expires": "2027-02-09T08:48:45.000Z", "_created": "2026-11-01T08:28:14.000Z", "_published": "2026-11-01T08:48:47.426Z", "_upstream": "https://github.com/chse-ohsu/staggr", "_status": "success", "_maintainer": { "name": "Kyle Hart", "email": "hartky@ohsu.edu", "login": "trahelyk", "description": "", "uuid": 10616870, "orcid": "0000-0001-8964-204X" }, "_jobs": [ { "job": 124796194655, "time": 106, "config": "linux-devel-x86_64", "r": "4.7.0", "check": "OK", "artifact": "13076780477" }, { "job": 124796194620, "time": 114, "config": "linux-release-x86_64", "r": "4.6.1", "check": "OK", "artifact": "13076800448" }, { "job": 124796194680, "time": 224, "config": "macos-oldrel-arm64", "r": "4.5.3", "check": "OK", "artifact": "13077101290" }, { "job": 124796194638, "time": 191, "config": "macos-release-arm64", "r": "4.6.2", "check": "OK", "artifact": "13076159815" }, { "job": 124795564481, "time": 182, "config": "source", "r": "4.6.1", "check": "OK", "artifact": "13076038630" }, { "job": 124796194609, "time": 100, "config": "wasm-release", "r": "4.6.0", "check": "OK", "artifact": "13075629824" }, { "job": 124796194801, "time": 80, "config": "windows-devel-x86_64", "r": "4.7.0", "check": "OK", "artifact": "13076805360" }, { "job": 124796194670, "time": 82, "config": "windows-oldrel-x86_64", "r": "4.5.3", "check": "OK", "artifact": "13075749507" }, { "job": 124796194775, "time": 86, "config": "windows-release-x86_64", "r": "4.6.2", "check": "OK", "artifact": "13075569961" } ], "_buildurl": "https://github.com/r-universe/chse-ohsu/actions/runs/41288784750", "_commit": { "id": "3f876f0451f4df8cdc70f0ee6119de195e7b3a00", "author": "Kyle Hart ", "committer": "Kyle Hart ", "message": "Fix minor errors in workshop script to prep for AHSR workshop\n", "time": 1790977450 }, "_distro": "resolute", "_host": "GitHub-Actions", "_registered": true, "_dependencies": [ { "package": "R", "version": ">= 4.1", "role": "Depends" }, { "package": "ggplot2", "version": ">= 3.0.0", "role": "Imports" }, { "package": "knitr", "role": "Suggests" }, { "package": "rmarkdown", "role": "Suggests" }, { "package": "sandwich", "role": "Suggests" } ], "_owner": "chse-ohsu", "_selfowned": true, "_usedby": 0, "_updates": [ { "week": "2025-45", "n": 5 }, { "week": "2025-46", "n": 3 }, { "week": "2025-50", "n": 3 }, { "week": "2025-51", "n": 8 }, { "week": "2026-02", "n": 3 }, { "week": "2026-10", "n": 1 }, { "week": "2026-11", "n": 1 }, { "week": "2026-14", "n": 2 }, { "week": "2026-39", "n": 1 }, { "week": "2026-40", "n": 3 } ], "_tags": [], "_stars": 0, "_contributors": [ { "user": "trahelyk", "count": 60, "uuid": 10616870 }, { "user": "stephanpdx", "count": 2, "uuid": 5709325 } ], "_userbio": { "uuid": 13789315, "type": "organization", "name": "Center for Health Systems Effectiveness @ OHSU", "followers": 4, "description": "CHSE's focus is on large scale, aggregate interactions between different elements of health care delivery systems." }, "_downloads": { "count": 357, "source": "https://cranlogs.r-pkg.org/downloads/total/last-month/staggR" }, "_devurl": "https://github.com/chse-ohsu/staggr", "_searchresults": 0, "_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/readme.html", "extra/readme.md", "extra/staggR.html" ], "_homeurl": "https://github.com/chse-ohsu/staggr", "_realowner": "chse-ohsu", "_cranurl": true, "_releases": [ { "version": "0.1.1", "date": "2026-01-14" }, { "version": "0.2.0", "date": "2026-04-02" }, { "version": "0.2.1", "date": "2026-09-22" }, { "version": "0.2.2", "date": "2026-09-30" } ], "_exports": [ "ave_coeff", "detrend", "detrend_factor", "id_tsi", "pick_time_refs", "prep_data", "sdid", "select_period", "select_terms", "select_tsi", "ts_plot" ], "_datasets": [ { "name": "hosp", "title": "Hospitalization data", "object": "hosp", "class": [ "data.frame" ], "fields": [ "guid", "age", "sex", "comorb", "hospitalized", "county", "intervention_yr", "cohort", "yr" ], "rows": 31040, "table": true, "tojson": true }, { "name": "hosp_agg", "title": "Aggregated hospitalization data", "object": "hosp_agg", "class": [ "tidytable", "tbl", "data.table", "data.frame" ], "fields": [ "yr", "county", "cohort", "intervention_yr", "pct_hospitalized", "n_enr", "mean_age", "pct_fem", "pct_cmb" ], "rows": 165, "table": true, "tojson": true } ], "_help": [ { "page": "ave_coeff", "title": "Aggregate a specified set of terms and corresponding standard errors from an sdid model object", "topics": [ "ave_coeff" ] }, { "page": "detrend", "title": "Adjust outcomes for differential trends", "topics": [ "detrend" ] }, { "page": "detrend_factor", "title": "Calculate aggregated variance to provide denominator for trend-adjusting outcomes", "topics": [ "detrend_factor" ] }, { "page": "hosp", "title": "Hospitalization data", "topics": [ "hosp" ] }, { "page": "hosp_agg", "title": "Aggregated hospitalization data", "topics": [ "hosp_agg" ] }, { "page": "id_tsi", "title": "Identify time-since-intervention", "topics": [ "id_tsi" ] }, { "page": "pick_time_refs", "title": "Identify time period referents within each cohort.", "topics": [ "pick_time_refs" ] }, { "page": "prep_data", "title": "Prepare a data frame to work with sdid() function", "topics": [ "prep_data" ] }, { "page": "sdid", "title": "Fit a staggered difference-in-differences model", "topics": [ "sdid" ] }, { "page": "select_period", "title": "Retrieve a list of interaction terms from a sdid model representing the pre-intervention period", "topics": [ "select_period" ] }, { "page": "select_terms", "title": "Retrieve a list of interaction terms from a sdid model to be passed on for aggregation", "topics": [ "select_terms" ] }, { "page": "select_tsi", "title": "Retrieve a list of interaction terms from a sdid model representing a specified time-since-intervention", "topics": [ "select_tsi" ] }, { "page": "summary.sdid_mdl", "title": "Summarize an sdid model", "topics": [ "summary.sdid_mdl" ] }, { "page": "ts_plot", "title": "Generates time-series plots, optionally faceted by groups", "topics": [ "ts_plot" ] } ], "_readme": "https://github.com/chse-ohsu/staggr/raw/HEAD/README.md", "_rundeps": [ "cli", "cpp11", "farver", "ggplot2", "glue", "gtable", "isoband", "labeling", "lifecycle", "R6", "RColorBrewer", "rlang", "S7", "scales", "vctrs", "viridisLite", "withr" ], "_vignettes": [ { "source": "staggR.Rmd", "filename": "staggR.html", "title": "staggR", "engine": "knitr::rmarkdown", "headings": [ "staggR: Fit difference-in-differences models with staggered interventions", "Background", "Example using simulated data", "Explore data", "Visualize hospitalization trends", "Fit a difference-in-differences regression model", "Calculating coefficient averages", "Calculating custom standard errors", "Using aggregated data", "Adjusting for non-parallel trends", "References" ], "created": "2025-09-24 20:20:06", "modified": "2026-09-22 19:05:18", "commits": 16 } ], "_score": 4.698970004336019, "_indexed": true, "_nocasepkg": "staggr", "_universes": [ "chse-ohsu", "trahelyk" ], "_binaries": [ { "r": "4.7.0", "os": "linux", "version": "0.2.2", "date": "2026-11-01T08:30:01.000Z", "distro": "resolute", "commit": "3f876f0451f4df8cdc70f0ee6119de195e7b3a00", "fileid": "https://r2.ropensci.org/4cfa40ef373906a18adadef6e4c24ce129d7c771b80510277f73221a6da4aa1b", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/chse-ohsu/actions/runs/41288784750" }, { "r": "4.6.1", "os": "linux", "version": "0.2.2", "date": "2026-11-01T08:30:01.000Z", "distro": "resolute", "commit": "3f876f0451f4df8cdc70f0ee6119de195e7b3a00", "fileid": "https://r2.ropensci.org/6147153b972e7c1a386ed12ecd41ebb6b4eaed409ae471d2e05e67fe3dd49397", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/chse-ohsu/actions/runs/41288784750" }, { "r": "4.5.3", "os": "mac", "version": "0.2.2", "date": "2026-11-01T08:47:31.000Z", "commit": "3f876f0451f4df8cdc70f0ee6119de195e7b3a00", "fileid": "https://r2.ropensci.org/3cbf5e045464b3a9a5ede409b166e8c931d1d3095557d7e6591f01e6f7cb0f82", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/chse-ohsu/actions/runs/41288784750" }, { "r": "4.6.2", "os": "mac", "version": "0.2.2", "date": "2026-11-01T08:40:04.000Z", "commit": "3f876f0451f4df8cdc70f0ee6119de195e7b3a00", "fileid": "https://r2.ropensci.org/0fa0af8f0199f8623693801e461c961f76c2efd0d98511c4f87dddb5df1563a2", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/chse-ohsu/actions/runs/41288784750" }, { "r": "4.6.0", "os": "wasm", "version": "0.2.2", "date": "2026-11-01T08:30:12.000Z", "commit": "3f876f0451f4df8cdc70f0ee6119de195e7b3a00", "fileid": "https://r2.ropensci.org/87b3b7ee04f705361ad3fe28f997d3c261eb0c2e7d635436e2615c4a3313a5bb", "status": "success", "buildurl": "https://github.com/r-universe/chse-ohsu/actions/runs/41288784750" }, { "r": "4.7.0", "os": "win", "version": "0.2.2", "date": "2026-11-01T08:29:18.000Z", "commit": "3f876f0451f4df8cdc70f0ee6119de195e7b3a00", "fileid": "https://r2.ropensci.org/04000b642f63b0d6d413bb388c95dd8b86d03a000c510c4280cf05e3b9b4575e", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/chse-ohsu/actions/runs/41288784750" }, { "r": "4.5.3", "os": "win", "version": "0.2.2", "date": "2026-11-01T08:29:20.000Z", "commit": "3f876f0451f4df8cdc70f0ee6119de195e7b3a00", "fileid": "https://r2.ropensci.org/0df0fdfd753012357837bf6155b30dbd7cc3b601b4e2f17b1807d901055d2842", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/chse-ohsu/actions/runs/41288784750" }, { "r": "4.6.2", "os": "win", "version": "0.2.2", "date": "2026-11-01T08:29:28.000Z", "commit": "3f876f0451f4df8cdc70f0ee6119de195e7b3a00", "fileid": "https://r2.ropensci.org/70070f1bea29d5f062b882f8e5ec14be9c34b6ae69137d0283ad030dd8b1a7dc", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/chse-ohsu/actions/runs/41288784750" } ] }