{ "_id": "6a571f78ff0138dec5d6e05c", "Package": "PwePred", "Type": "Package", "Title": "Event/Timeline Prediction Model Based on Piecewise Exponential", "Version": "1.1.2", "Authors@R": "person(given = \"Tianchen\",\nfamily = \"Xu\",\nrole = c(\"aut\", \"cre\"),\nemail = \"zjph602xutianchen@gmail.com\",\ncomment = c(ORCID = \"0000-0002-0102-7630\"))", "Maintainer": "Tianchen Xu ", "Description": "Efficient algorithm for estimating piecewise exponential\nhazard models for right-censored data, and is useful for\nreliable power calculation, study design, and event/timeline\nprediction for study monitoring.", "License": "MIT + file LICENSE", "Encoding": "UTF-8", "VignetteBuilder": "knitr", "LazyData": "true", "Packaged": { "Date": "2026-07-15 05:46:04 UTC", "User": "root" }, "NeedsCompilation": "no", "Author": "Tianchen Xu [aut, cre] (ORCID:\n)", "Repository": "https://zjph602xtc.r-universe.dev", "Date/Publication": "2026-03-26 10:15:54 UTC", "RemoteUrl": "https://github.com/cran/PwePred", "RemoteRef": "HEAD", "RemoteSha": "9519ccfadcaa162439f248f33c70f090469ee762", "_user": "zjph602xtc", "_type": "src", "_file": "PwePred_1.1.2.tar.gz", "_fileid": "https://r2.ropensci.org/620583aa3c15df41b35688d79a4b66c73e3ed2bf4bc98d279761ccb27da8e746", "_filesize": 1261124, "_sha256": "620583aa3c15df41b35688d79a4b66c73e3ed2bf4bc98d279761ccb27da8e746", "_expires": "2026-10-23T05:49:42.000Z", "_created": "2026-07-15T05:46:04.000Z", "_published": "2026-07-15T05:49:44.063Z", "_jobs": [ { "job": 87278295867, "time": 162, "config": "linux-devel-x86_64", "r": "4.7.0", "check": "OK", "artifact": "8333766079" }, { "job": 87278295907, "time": 158, "config": "linux-release-x86_64", "r": "4.6.1", "check": "OK", "artifact": "8333764743" }, { "job": 87278295871, "time": 179, "config": "macos-oldrel-arm64", "r": "4.5.3", "check": "OK", "artifact": "8333764834" }, { "job": 87278295873, "time": 164, "config": "macos-release-arm64", "r": "4.6.1", "check": "OK", "artifact": "8333760428" }, { "job": 87277887249, "time": 179, "config": "source", "r": "4.6.1", "check": "OK", "artifact": "8333717648" }, { "job": 87278295859, "time": 118, "config": "wasm-release", "r": "4.6.0", "check": "OK", "artifact": "8333752246" }, { "job": 87278295898, "time": 119, "config": "windows-devel", "r": "4.7.0", "check": "OK", "artifact": "8333753342" }, { "job": 87278295903, "time": 109, "config": "windows-oldrel", "r": "4.5.3", "check": "OK", "artifact": "8333749456" }, { "job": 87278295888, "time": 122, "config": "windows-release", "r": "4.6.1", "check": "OK", "artifact": "8333754218" } ], "_host": "GitHub-Actions", "_buildurl": "https://github.com/r-universe/zjph602xtc/actions/runs/29392172478", "_status": "success", "_upstream": "https://github.com/cran/PwePred", "_commit": { "id": "9519ccfadcaa162439f248f33c70f090469ee762", "author": "Tianchen Xu ", "committer": "cran-robot ", "message": "version 1.1.2\n", "time": 1774520154 }, "_maintainer": { "name": "Tianchen Xu", "email": "zjph602xutianchen@gmail.com", "login": "zjph602xtc", "linkedin": "in/tianchen-xu-54b18774", "description": "", "uuid": 17025087, "orcid": "0000-0002-0102-7630" }, "_distro": "resolute", "_registered": true, "_dependencies": [ { "package": "survival", "role": "Depends" }, { "package": "R", "version": ">= 2.10", "role": "Depends" }, { "package": "graphics", "role": "Imports" }, { "package": "grDevices", "role": "Imports" }, { "package": "stats", "role": "Imports" }, { "package": "methods", "role": "Imports" }, { "package": "utils", "role": "Imports" }, { "package": "segmented", "role": "Imports" }, { "package": "fastmatch", "role": "Imports" }, { "package": "foreach", "role": "Imports" }, { "package": "doSNOW", "role": "Imports" }, { "package": "parallel", "role": "Imports" }, { "package": "knitr", "role": "Suggests" }, { "package": "RColorBrewer", "role": "Suggests" }, { "package": "rmarkdown", "role": "Suggests" } ], "_owner": "cran", "_selfowned": true, "_usedby": 0, "_updates": [ { "week": "2026-12", "n": 1 }, { "week": "2026-13", "n": 2 } ], "_tags": [ { "name": "1.1.0", "date": "2026-03-22" }, { "name": "1.1.1", "date": "2026-03-24" }, { "name": "1.1.2", "date": "2026-03-26" } ], "_stars": 0, "_contributors": [ { "user": "zjph602xtc", "count": 4, "uuid": 17025087 } ], "_userbio": { "uuid": 17025087, "type": "user", "name": "Tianchen Xu", "followers": 10 }, "_downloads": { "count": 389, "source": "https://cranlogs.r-pkg.org/downloads/total/last-month/PwePred" }, "_searchresults": 1, "_rbuild": "4.6.1", "_assets": [ "extra/citation.cff", "extra/citation.html", "extra/citation.json", "extra/citation.txt", "extra/contents.json", "extra/NEWS.html", "extra/NEWS.txt", "extra/PwePred.html", "extra/readme.html", "extra/readme.md", "LICENSE", "manual.pdf" ], "_realowner": "zjph602xtc", "_cranurl": false, "_releases": [ { "version": "1.0.0", "date": "2025-04-10" }, { "version": "1.1.0", "date": "2026-03-22" }, { "version": "1.1.1", "date": "2026-03-24" }, { "version": "1.1.2", "date": "2026-03-26" } ], "_exports": [ "boot.pwexpm", "boot.pwexpm_fit", "cut_dat", "cv.pwexpm", "cv.pwexpm_fit", "dpwexpm", "plot_event", "plot_survival", "ppwexpm", "ppwexpm_conditional", "predict.boot.pwexpm", "predict.pwexpm", "pwexpm", "pwexpm_fit", "qpwexpm", "qpwexpm_conditional", "rpwexpm", "rpwexpm_conditional", "sim_followup", "simdata" ], "_datasets": [ { "name": "pwe_data", "title": "Piece-wise Exponentail Example Data", "object": "pwe_data", "class": [ "data.frame" ], "fields": [ "ID", "randT", "eventT", "dropT", "censor_reason", "event", "followT", "followT_abs" ], "rows": 1000, "table": true, "tojson": true }, { "name": "pwe_data_robust_tail", "title": "Piece-wise Exponentail Example Data with 'Abnormal' Tail", "object": "pwe_data_robust_tail", "class": [ "data.frame" ], "fields": [ "Survival.time", "Status" ], "rows": 439, "table": true, "tojson": true }, { "name": "ruppert_ipd", "title": "OS Curves from Ruppert (2020)", "object": "ruppert_ipd", "class": [ "data.frame" ], "fields": [ "Survival.time", "Status" ], "rows": 428, "table": true, "tojson": true } ], "_help": [ { "page": "boot_fit_pwexpm_surv", "title": "Bootstrap a PWE Model with Formula or Existing Model", "topics": [ "boot.pwexpm", "boot.pwexpm.default", "boot.pwexpm.pwexpm", "summary.boot.pwexpm" ] }, { "page": "boot_fit_pwexpm", "title": "Bootstrap a PWE Model with Time and Event Vectors", "topics": [ "boot.pwexpm_fit" ] }, { "page": "coef", "title": "Extract pwexpm Coefficients", "topics": [ "coef.pwexpm" ] }, { "page": "pwexpm_conditional", "title": "The Conditional Piecewise Exponential Distribution", "topics": [ "ppwexpm_conditional", "qpwexpm_conditional", "rpwexpm_conditional" ] }, { "page": "confint", "title": "Confidence Intervals for Model Parameters in boot.pwexpm", "topics": [ "confint.boot.pwexpm" ] }, { "page": "cut_dat", "title": "Cut Data before a Specified Time", "topics": [ "cut_dat" ] }, { "page": "cv_fit_pwexpm_surv", "title": "Cross Validate a PWE Model with Formula or Exsiting Model", "topics": [ "cv.pwexpm", "cv.pwexpm.default", "cv.pwexpm.pwexpm", "plot.cv.pwexpm" ] }, { "page": "cv_fit_pwexpm", "title": "Cross Validate a PWE Model with Time and Event Vectors", "topics": [ "cv.pwexpm_fit" ] }, { "page": "pwexpm", "title": "The Piecewise Exponential Distribution", "topics": [ "dpwexpm", "ppwexpm", "qpwexpm", "rpwexpm" ] }, { "page": "plot_event", "title": "Plot Cumulative Event Curve with Survival Data or Predicted PWE Model", "topics": [ "plot.predict.boot.pwexpm", "plot.predict.pwexpm", "plot_event", "plot_event.default", "plot_event.predict.boot.pwexpm", "plot_event.predict.pwexpm" ] }, { "page": "plot_km", "title": "Plot Survival Curve for Survival Data or PWE Model", "topics": [ "plot.boot.pwexpm", "plot.pwexpm", "plot_survival", "plot_survival.boot.pwexpm", "plot_survival.default", "plot_survival.pwexpm" ] }, { "page": "predict", "title": "Predict Events for Piecewise Exponential (PWE) Model", "topics": [ "predict.boot.pwexpm", "predict.pwexpm", "summary.predict.boot.pwexpm", "summary.predict.pwexpm" ] }, { "page": "pwe_data", "title": "Piece-wise Exponentail Example Data", "topics": [ "pwe_data" ] }, { "page": "pwe_data_robust_tail", "title": "Piece-wise Exponentail Example Data with 'Abnormal' Tail", "topics": [ "pwe_data_robust_tail" ] }, { "page": "fit_pwexpm_surv", "title": "Fit a PWE Model with Formula", "topics": [ "pwexpm", "summary.pwexpm" ] }, { "page": "fit_pwexpm", "title": "Fit a PWE model with Time and Event Vectors", "topics": [ "pwexpm_fit" ] }, { "page": "ruppert_ipd", "title": "OS Curves from Ruppert (2020)", "topics": [ "ruppert_ipd" ] }, { "page": "sim_followup", "title": "Estimate Follow-up Time and Number of Events by Simulation", "topics": [ "sim_followup" ] }, { "page": "simdata", "title": "Simulate Survival Data", "topics": [ "simdata" ] } ], "_readme": "https://github.com/cran/PwePred/raw/HEAD/README.md", "_rundeps": [ "codetools", "doSNOW", "fastmatch", "foreach", "iterators", "lattice", "MASS", "Matrix", "nlme", "segmented", "snow", "survival" ], "_vignettes": [ { "source": "Theory_Notes.Rmd", "filename": "Theory_Notes.html", "title": "Theory Notes", "engine": "knitr::rmarkdown", "headings": [ "Usage of Package", "Distribution", "Piecewise Exponential Distribution", "Conditional Piecewise Exponential Distribution", "Parameter Estimation", "Hazard Rate Estimation with Known Breakpoints", "Estimation of Breakpoints", "MLE by Brute-force Search", "OLS on Survival Function", "Hybrid Method", "Summary", "Reference" ], "created": "2025-04-10 10:40:23", "modified": "2025-04-10 10:40:23", "commits": 1 } ], "_score": 3, "_indexed": true, "_nocasepkg": "pwepred", "_universes": [ "zjph602xtc" ], "_binaries": [ { "r": "4.7.0", "os": "linux", "version": "1.1.2", "date": "2026-07-15T05:48:16.000Z", "distro": "resolute", "commit": "9519ccfadcaa162439f248f33c70f090469ee762", "fileid": "https://r2.ropensci.org/89e8a3b9542ddb70fc0358c8532c55c30a7816e9f651c08060bea4e11aae033a", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/zjph602xtc/actions/runs/29392172478" }, { "r": "4.6.1", "os": "linux", "version": "1.1.2", "date": "2026-07-15T05:48:18.000Z", "distro": "resolute", "commit": "9519ccfadcaa162439f248f33c70f090469ee762", "fileid": "https://r2.ropensci.org/27e124e5aee6bc171db089ef7468a47220ea1391904cf5a245b19324ada41b39", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/zjph602xtc/actions/runs/29392172478" }, { "r": "4.5.3", "os": "mac", "version": "1.1.2", "date": "2026-07-15T05:48:26.000Z", "commit": "9519ccfadcaa162439f248f33c70f090469ee762", "fileid": "https://r2.ropensci.org/d73e9109d0a84b9a82ecf459c67af21148679768a2c8625b36a324a908aa129c", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/zjph602xtc/actions/runs/29392172478" }, { "r": "4.6.1", "os": "mac", "version": "1.1.2", "date": "2026-07-15T05:48:15.000Z", "commit": "9519ccfadcaa162439f248f33c70f090469ee762", "fileid": "https://r2.ropensci.org/a10b307be492c5dfd894b8e583446232727c48e777227586e5a598a64828f198", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/zjph602xtc/actions/runs/29392172478" }, { "r": "4.6.0", "os": "wasm", "version": "1.1.2", "date": "2026-07-15T05:48:19.000Z", "commit": "9519ccfadcaa162439f248f33c70f090469ee762", "fileid": "https://r2.ropensci.org/34487069b67eae08656c48a553163e728e83f9a913f6169f2a6158a54b8dff50", "status": "success", "buildurl": "https://github.com/r-universe/zjph602xtc/actions/runs/29392172478" }, { "r": "4.7.0", "os": "win", "version": "1.1.2", "date": "2026-07-15T05:47:28.000Z", "commit": "9519ccfadcaa162439f248f33c70f090469ee762", "fileid": "https://r2.ropensci.org/ad1e38a61b9a17327fa5a96dc08bdcf0b4c6ff41fe5d2f660e7bb12059914b6f", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/zjph602xtc/actions/runs/29392172478" }, { "r": "4.5.3", "os": "win", "version": "1.1.2", "date": "2026-07-15T05:47:16.000Z", "commit": "9519ccfadcaa162439f248f33c70f090469ee762", "fileid": "https://r2.ropensci.org/ae5ba4d1de524f6a377129699e7994b3a02012875ed277b9f7ad0d9bd0ee8c52", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/zjph602xtc/actions/runs/29392172478" }, { "r": "4.6.1", "os": "win", "version": "1.1.2", "date": "2026-07-15T05:47:31.000Z", "commit": "9519ccfadcaa162439f248f33c70f090469ee762", "fileid": "https://r2.ropensci.org/5c87480a84c8032d3c2af1462fe0048ff82ea3709d991da2dea882128c973592", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/zjph602xtc/actions/runs/29392172478" } ] }