{ "_id": "6a26882f794753ddbc3f28d7", "Package": "IPDfromKM", "Type": "Package", "Title": "Map Digitized Survival Curves Back to Individual Patient Data", "Version": "0.1.10", "Date": "2020-10-20", "Authors@R": "c(person(given=\"Na\", family=\"Liu\",role=c(\"aut\",\"cre\"),email=\"nliu1104@gmail.com\"),\nperson(given=\"J.Jack\",family=\"Lee\",rol=c(\"aut\",\"ths\")),\nperson(given=\"Yanhong\",family=\"Zhou\",rol=c(\"ctb\")))", "Description": "An implementation to reconstruct individual patient data\nfrom Kaplan-Meier (K-M) survival curves, visualize and assess\nthe accuracy of the reconstruction, then perform secondary\nanalysis on the reconstructed data. We involve a simple\nfunction to extract the coordinates form the published K-M\ncurves. The function is developed based on Poisot T. ’s\ndigitize package (2011) . For more\ncomplex and tangled together graphs, digitizing software, such\nas 'DigitizeIt' (for MAC or windows) or 'ScanIt'(for windows)\ncan be used to get the coordinates. Additional information\nshould also be involved to increase the accuracy, like numbers\nof patients at risk (often reported at 5-10 time points under\nthe x-axis of the K-M graph), total number of patients, and\ntotal number of events. The package implements the modified\niterative K-M estimation algorithm (modified-iKM) improved upon\nthe approach proposed by Guyot (2012)\n with some modifications.", "License": "GPL-2", "Encoding": "UTF-8", "LazyData": "true", "RoxygenNote": "7.1.1", "NeedsCompilation": "no", "Packaged": { "Date": "2026-06-08 09:10:44 UTC", "User": "root" }, "Author": "Na Liu [aut, cre], J.Jack Lee [aut, ths], Yanhong Zhou [ctb]", "Maintainer": "Na Liu ", "Config/pak/sysreqs": "libjpeg-dev libpng-dev libtiff-dev", "Repository": "https://naliustat.r-universe.dev", "Date/Publication": "2020-11-11 08:50:06 UTC", "RemoteUrl": "https://github.com/cran/IPDfromKM", "RemoteRef": "HEAD", "RemoteSha": "16ea3e163b8ad409e51e035154c52803dcb1c28b", "MD5sum": "fe376b63a442410586c672c41934c11e", "_user": "naliustat", "_type": "src", "_file": "IPDfromKM_0.1.10.tar.gz", "_fileid": "07e5c99ceb562596347140b94546b4198f39e6425f5d001af01b5f6033fad868", "_filesize": 187488, "_sha256": "07e5c99ceb562596347140b94546b4198f39e6425f5d001af01b5f6033fad868", "_created": "2026-06-08T09:10:44.000Z", "_published": "2026-06-08T09:15:27.079Z", "_distro": "noble", "_jobs": [ { "job": 80059734852, "time": 167, "config": "linux-devel-x86_64", "r": "4.7.0", "check": "OK", "artifact": "7475984348" }, { "job": 80059734693, "time": 136, "config": "linux-release-x86_64", "r": "4.6.0", "check": "OK", "artifact": "7475973564" }, { "job": 80059734820, "time": 145, "config": "macos-oldrel-arm64", "r": "4.5.3", "check": "OK", "artifact": "7475969257" }, { "job": 80059734753, "time": 201, "config": "macos-release-arm64", "r": "4.6.0", "check": "OK", "artifact": "7475986321" }, { "job": 80059211724, "time": 168, "config": "source", "r": "4.6.0", "check": "OK", "artifact": "7475921810" }, { "job": 80059734817, "time": 101, "config": "wasm-release", "r": "4.6.0", "check": "OK", "artifact": "7475960917" }, { "job": 80059734848, "time": 90, "config": "windows-devel", "r": "4.7.0", "check": "OK", "artifact": "7475956842" }, { "job": 80059734713, "time": 103, "config": "windows-oldrel", "r": "4.5.3", "check": "OK", "artifact": "7475961613" }, { "job": 80059734710, "time": 110, "config": "windows-release", "r": "4.6.0", "check": "OK", "artifact": "7475964146" } ], "_buildurl": "https://github.com/r-universe/naliustat/actions/runs/27127257384", "_status": "success", "_host": "GitHub-Actions", "_upstream": "https://github.com/cran/IPDfromKM", "_commit": { "id": "16ea3e163b8ad409e51e035154c52803dcb1c28b", "author": "Na Liu ", "committer": "cran-robot ", "message": "version 0.1.10\n", "time": 1605084606 }, "_maintainer": { "name": "Na Liu", "email": "nliu1104@gmail.com", "login": "naliustat", "description": "", "uuid": 49786161 }, "_registered": true, "_dependencies": [ { "package": "R", "version": ">= 3.6.0", "role": "Depends" }, { "package": "ggplot2", "role": "Depends" }, { "package": "dplyr", "role": "Depends" }, { "package": "survival", "role": "Depends" }, { "package": "gridExtra", "role": "Depends" }, { "package": "readbitmap", "role": "Depends" } ], "_owner": "cran", "_selfowned": true, "_usedby": 1, "_updates": [], "_tags": [], "_stars": 0, "_contributors": [ { "user": "naliustat", "count": 1, "uuid": 49786161 } ], "_userbio": { "uuid": 49786161, "type": "user", "name": "NA LIU" }, "_downloads": { "count": 918, "source": "https://cranlogs.r-pkg.org/downloads/total/last-month/IPDfromKM" }, "_mentions": 1, "_searchresults": 45, "_rbuild": "4.6.0", "_assets": [ "extra/citation.cff", "extra/citation.html", "extra/citation.json", "extra/citation.txt", "extra/contents.json", "extra/IPDfromKM.html", "manual.pdf" ], "_realowner": "naliustat", "_cranurl": false, "_releases": [ { "version": "0.1.10", "date": "2020-11-11" } ], "_exports": [ "getIPD", "getpoints", "preprocess", "survreport" ], "_datasets": [ { "name": "imgexp", "title": "A bitmap digital image", "object": "imgexp", "class": [ "matrix", "array" ], "fields": {}, "rows": 348, "table": true, "tojson": true }, { "name": "Radiationdata", "title": "Two-column coordinates(X,Y) extracted from published Kaplan Meier curves by ScanIt software", "object": "Radiationdata", "class": [ "list" ], "fields": [], "table": false, "tojson": true } ], "_help": [ { "page": "getIPD", "title": "Reconstruct individual patient data (IPD) from Scanned Kaplan-Meier(K-M) curves", "topics": [ "getIPD" ] }, { "page": "getpoints", "title": "Extract the coordinates from Kaplan-Meier(K-M) curves by mouse-clicks", "topics": [ "getpoints" ] }, { "page": "imgexp", "title": "A bitmap digital image", "topics": [ "imgexp" ] }, { "page": "plot.getKM", "title": "Graph and compare the K-M curve from reconstructed IPD with the read-in coordinates", "topics": [ "plot.getKM" ] }, { "page": "preprocess", "title": "Preprocess the read-in coordinates", "topics": [ "preprocess" ] }, { "page": "Radiationdata", "title": "Two-column coordinates(X,Y) extracted from published Kaplan Meier curves by ScanIt software", "topics": [ "Radiationdata" ] }, { "page": "summary.getKM", "title": "Print the summary of the IPD estimation", "topics": [ "summary.getKM" ] }, { "page": "survreport", "title": "Survival analysis on the reconstructed IPD", "topics": [ "survreport" ] } ], "_rundeps": [ "bmp", "cli", "cpp11", "dplyr", "farver", "generics", "ggplot2", "glue", "gridExtra", "gtable", "isoband", "jpeg", "labeling", "lattice", "lifecycle", "magrittr", "Matrix", "pillar", "pkgconfig", "png", "R6", "RColorBrewer", "readbitmap", "rlang", "S7", "scales", "survival", "tibble", "tidyselect", "tiff", "utf8", "vctrs", "viridisLite", "withr" ], "_score": 2.130333768495006, "_indexed": true, "_nocasepkg": "ipdfromkm", "_universes": [ "naliustat" ], "_binaries": [ { "r": "4.7.0", "os": "linux", "version": "0.1.10", "date": "2026-06-08T09:13:05.000Z", "distro": "noble", "commit": "16ea3e163b8ad409e51e035154c52803dcb1c28b", "fileid": "4e7bc867109d0dd2c2cb764c6c5747d1153754ef1948c5c785a9c1e7206aeb96", "status": "success", 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