{ "_id": "6a2e52aa3efcd9bda43096fc", "Package": "e2tree", "Title": "Explainable Ensemble Trees", "Version": "1.2.0", "Authors@R": "c(\nperson(given = \"Massimo\",\nfamily = \"Aria\",\nrole = c(\"aut\", \"cre\", \"cph\"),\nemail = \"aria@unina.it\",\ncomment = c(ORCID = \"0000-0002-8517-9411\")),\nperson(given = \"Agostino\",\nfamily = \"Gnasso\",\nrole = c(\"aut\", \"cph\"),\nemail = \"agostino.gnasso@unina.it\",\ncomment = c(ORCID = \"0000-0002-8046-3923\"))\n)", "Description": "The Explainable Ensemble Trees 'e2tree' approach has been\nproposed by Aria et al. (2024)\n. It aims to explain and\ninterpret decision tree ensemble models using a single\ntree-like structure. 'e2tree' is a new way of explaining an\nensemble tree trained through 'randomForest' or 'xgboost'\npackages.", "License": "MIT + file LICENSE", "URL": "https://github.com/massimoaria/e2tree", "BugReports": "https://github.com/massimoaria/e2tree/issues", "Encoding": "UTF-8", "LazyData": "true", "VignetteBuilder": "knitr", "Config/testthat/edition": "3", "Config/roxygen2/version": "8.0.0", "NeedsCompilation": "yes", "Packaged": { "Date": "2026-06-14 07:00:45 UTC", "User": "root" }, "Author": "Massimo Aria [aut, cre, cph] (ORCID:\n), Agostino Gnasso [aut,\ncph] (ORCID: )", "Maintainer": "Massimo Aria ", "Repository": "https://cran.r-universe.dev", "Date/Publication": "2026-05-15 15:32:34 UTC", "RemoteUrl": "https://github.com/cran/e2tree", "RemoteRef": "HEAD", "RemoteSha": "d42b7b325230b96f7862016b6673d18dca682a91", "MD5sum": "6f6e5ee485d3d018be3172af35b4cf54", "_user": "cran", "_type": "src", "_file": "e2tree_1.2.0.tar.gz", "_fileid": "0432d2fe69a51b84711b700d22e7b68a04d482ec5e3a3cfe474bb1a00db86434", "_filesize": 4191918, "_sha256": "0432d2fe69a51b84711b700d22e7b68a04d482ec5e3a3cfe474bb1a00db86434", "_created": "2026-06-14T07:00:45.000Z", "_published": "2026-06-14T07:05:14.386Z", "_distro": "noble", "_jobs": [ { "job": 81257000961, "time": 194, "config": "linux-devel-arm64", "r": "4.7.0", "check": "OK", "artifact": "7618468551" }, { "job": 81257000932, "time": 179, "config": "linux-devel-x86_64", "r": "4.7.0", "check": "OK", "artifact": "7618466552" }, { "job": 81257000956, "time": 223, "config": "linux-release-arm64", "r": "4.6.0", "check": "OK", "artifact": "7618471719" }, { "job": 81257000939, "time": 180, "config": "linux-release-x86_64", "r": "4.6.0", "check": "OK", "artifact": "7618466727" }, { "job": 81256805949, "time": 170, "config": "source", "r": "4.6.0", "check": "OK", "artifact": "7618443825" }, { "job": 81257000923, "time": 133, "config": "wasm-release", "r": "4.6.0", "check": "OK", "artifact": "7618460904" } ], "_buildurl": "https://github.com/r-universe/cran/actions/runs/27491219981", "_status": "success", "_host": "GitHub-Actions", "_upstream": "https://github.com/cran/e2tree", "_commit": { "id": "d42b7b325230b96f7862016b6673d18dca682a91", "author": "Massimo Aria ", "committer": "cran-robot ", "message": "version 1.2.0\n", "time": 1778859154 }, "_maintainer": { "name": "Massimo Aria", "email": "aria@unina.it", "login": "massimoaria", "description": "Massimo Aria is a full professor in Statistics for Social Sciences at the Department of Economics and Statistics of the University of Naples Federico II", "uuid": 16023543, "orcid": "0000-0002-8517-9411" }, "_registered": true, "_dependencies": [ { "package": "R", "version": ">= 3.5", "role": "Depends" }, { "package": "Rcpp", "role": "LinkingTo" }, { "package": "ape", "role": "Imports" }, { "package": "dplyr", "role": "Imports" }, { "package": "parallel", "role": "Imports" }, { "package": "future.apply", "role": "Imports" }, { "package": "ggplot2", "role": "Imports" }, { "package": "Matrix", "role": "Imports" }, { "package": "partitions", "role": "Imports" }, { "package": "purrr", "role": "Imports" }, { "package": "rpart.plot", "role": "Imports" }, { "package": "tidyr", "role": "Imports" }, { "package": "Rcpp", "role": "Imports" }, { "package": "doParallel", "role": "Suggests" }, { "package": "foreach", "role": "Suggests" }, { "package": "htmlwidgets", "role": "Suggests" }, { "package": "jsonlite", "role": "Suggests" }, { "package": "knitr", "role": "Suggests" }, { "package": "partykit", "role": "Suggests" }, { "package": "gbm", "role": "Suggests" }, { "package": "lightgbm", "role": "Suggests" }, { "package": "randomForest", "role": "Suggests" }, { "package": "ranger", "role": "Suggests" }, { "package": "xgboost", "role": "Suggests" }, { "package": "rmarkdown", "role": "Suggests" }, { "package": "RSpectra", "role": "Suggests" }, { "package": "testthat", "version": ">= 3.0.0", "role": "Suggests" }, { "package": "visNetwork", "role": "Suggests" } ], "_owner": "cran", "_selfowned": false, "_usedby": 0, "_updates": [ { "week": "2025-29", "n": 1 }, { "week": "2026-11", "n": 1 }, { "week": "2026-20", "n": 1 } ], "_tags": [ { "name": "0.2.0", "date": "2025-07-16" }, { "name": "1.0.0", "date": "2026-03-13" }, { "name": "1.2.0", "date": "2026-05-15" } ], "_stars": 0, "_contributors": [ { "user": "massimoaria", "count": 4, "uuid": 16023543 } ], "_userbio": { "uuid": 6899542, "type": "organization", "name": "cran", "followers": 606, "description": "Unofficial read-only mirror of all CRAN R packages" }, "_downloads": { "count": 628, "source": "https://cranlogs.r-pkg.org/downloads/total/last-month/e2tree" }, "_devurl": "https://github.com/massimoaria/e2tree", "_searchresults": 13, "_topics": [ "cpp", "openmp" ], "_rbuild": "4.6.0", "_assets": [ "extra/citation.cff", "extra/citation.html", "extra/citation.json", "extra/citation.txt", "extra/contents.json", "extra/e2tree.html", "extra/NEWS.html", "extra/NEWS.txt", "extra/readme.html", "extra/readme.md", "LICENSE", "manual.pdf" ], "_homeurl": "https://github.com/massimoaria/e2tree", "_realowner": "massimoaria", "_cranurl": false, "_releases": [ { "version": "0.1.2", "date": "2025-04-12" }, { "version": "0.2.0", "date": "2025-07-16" }, { "version": "1.0.0", "date": "2026-03-13" }, { "version": "1.2.0", "date": "2026-05-15" } ], "_exports": [ "as.rpart", "createDisMatrix", "e2splits", "e2tree", "ePredTree", "eValidation", "extract_terminal_nodes", "get_ensemble_predictions", "get_ensemble_type", "loi", "loi_perm", "measures", "nodes", "plot_e2tree", "plot_e2tree_click", "plot_e2tree_vis", "print_e2tree_summary", "proximity", "roc", "rpart2Tree", "save_e2tree_html", "vimp" ], "_datasets": [ { "name": "credit", "title": "Credit Scoring Dataset", "object": "credit", "class": [ "tbl_df", "tbl", "data.frame" ], "fields": [ "Type_of_client", "Client_Age", "Family_Situation", "Account_Tenure", "Salary_Credited_to_Bank_Account", "Ammount_of_Savings", "Customer_Occupation", "Average_Account_Balance", "Average_Account_Turnover", "Credit_Card_Transaction_Count_Monthly", "Authorized_Overdraft_Limit", "Authorized_to_Issue_Bank_Checks" ], "rows": 468, "table": true, "tojson": true } ], "_help": [ { "page": "as.rpart", "title": "Convert an E2Tree Object to rpart Format", "topics": [ "as.rpart", "as.rpart.e2tree" ] }, { "page": "createDisMatrix", "title": "Create a Dissimilarity Matrix from an Ensemble Model", "topics": [ "createDisMatrix" ] }, { "page": "credit", "title": "Credit Scoring Dataset", "topics": [ "credit" ] }, { "page": "e2splits", "title": "Extract Split Information from an E2Tree Model", "topics": [ "e2splits", "e2splits.e2tree" ] }, { "page": "e2tree", "title": "Explainable Ensemble Tree", "topics": [ "e2tree" ] }, { "page": "ePredTree", "title": "Predict Responses Using an Explainable Ensemble Tree", "topics": [ "ePredTree" ] }, { "page": "eValidation", "title": "Validate an E2Tree Model via Proximity Matrix Comparison", "topics": [ "eValidation" ] }, { "page": "extract_terminal_nodes", "title": "Extract Terminal Node Assignments from an Ensemble Model", "topics": [ "extract_terminal_nodes" ] }, { "page": "fitted.e2tree", "title": "Extract Fitted Values from an E2Tree Model", "topics": [ "fitted.e2tree" ] }, { "page": "get_ensemble_predictions", "title": "Get Training Predictions from an Ensemble Model", "topics": [ "get_ensemble_predictions" ] }, { "page": "get_ensemble_type", "title": "Determine Task Type from a Trained Ensemble Model", "topics": [ "get_ensemble_type" ] }, { "page": "loi", "title": "Loss of Interpretability (LoI) Index", "topics": [ "loi" ] }, { "page": "loi_perm", "title": "Permutation Test for LoI", "topics": [ "loi_perm" ] }, { "page": "measures", "title": "Extract Validation Measures", "topics": [ "measures", "measures.eValidation" ] }, { "page": "nodes", "title": "Extract Tree Node Information", "topics": [ "nodes", "nodes.e2tree" ] }, { "page": "plot_e2tree", "title": "Quick E2Tree Plot (Non-Interactive)", "topics": [ "plot_e2tree" ] }, { "page": "plot_e2tree_click", "title": "Interactive E2Tree Plot for R Graphics Device", "topics": [ "plot_e2tree_click" ] }, { "page": "plot_e2tree_vis", "title": "Interactive E2Tree Plot with visNetwork", "topics": [ "plot_e2tree_vis" ] }, { "page": "plot.e2tree", "title": "Plot an E2Tree model", "topics": [ "plot.e2tree" ] }, { "page": "predict.e2tree", "title": "Predict Responses from an E2Tree Model", "topics": [ "predict.e2tree" ] }, { "page": "print_e2tree_summary", "title": "Print E2Tree Summary", "topics": [ "print_e2tree_summary" ] }, { "page": "print.e2tree", "title": "Print an E2Tree model", "topics": [ "print.e2tree" ] }, { "page": "proximity", "title": "Extract Proximity Matrices", "topics": [ "proximity", "proximity.eValidation" ] }, { "page": "residuals.e2tree", "title": "Extract Residuals from an E2Tree Model", "topics": [ "residuals.e2tree" ] }, { "page": "roc", "title": "ROC Curve", "topics": [ "roc" ] }, { "page": "rpart2Tree", "title": "Convert an E2Tree Object to rpart Format", "topics": [ "rpart2Tree" ] }, { "page": "save_e2tree_html", "title": "Save E2Tree visNetwork Plot to HTML", "topics": [ "save_e2tree_html" ] }, { "page": "summary.e2tree", "title": "Summary of an E2Tree model", "topics": [ "summary.e2tree" ] }, { "page": "vimp", "title": "Variable Importance", "topics": [ "vimp" ] } ], "_readme": "https://github.com/cran/e2tree/raw/HEAD/README.md", "_rundeps": [ "ape", "cli", "codetools", "cpp11", "digest", "dplyr", "farver", "future", "future.apply", "generics", "ggplot2", "globals", "glue", "gmp", "gtable", "isoband", "labeling", "lattice", "lifecycle", "listenv", "magrittr", "Matrix", "nlme", "parallelly", "partitions", "pillar", "pkgconfig", "polynom", "purrr", "R6", "rbibutils", "RColorBrewer", "Rcpp", "Rdpack", "rlang", "rpart", "rpart.plot", "S7", "scales", "sets", "stringi", "stringr", "tibble", "tidyr", "tidyselect", "utf8", "vctrs", "viridisLite", "withr" ], "_sysdeps": [ { "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": "e2tree-introduction.Rmd", "filename": "e2tree-introduction.html", "title": "Introduction to e2tree: Explainable Ensemble Trees", "author": "Massimo Aria, Agostino Gnasso", "engine": "knitr::rmarkdown", "headings": [ "Overview", "Installation", "Workflow", "Classification Example", "Step 1: Prepare data and train ensemble", "Step 2: Compute dissimilarity matrix", "Step 3: Build the E2Tree", "Step 4: Inspect the tree", "Step 5: Visualization", "Step 6: Prediction", "Step 7: Variable importance", "Regression Example", "Validation of the E2Tree Structure", "Association vs. Agreement", "The Mantel Test", "Divergence and Similarity Measures", "Visualizing the Reconstruction", "The Normalized Loss of Interpretability (nLoI)", "LoI Decomposition: Diagnosing Reconstruction Quality", "Permutation Test for LoI", "Validation of the Regression Example", "Comparison with Related Packages", "Session Info" ], "created": "2026-05-15 15:32:34", "modified": "2026-05-15 15:32:34", "commits": 1 }, { "source": "models.Rmd", "filename": "models.html", "title": "Using e2tree with XGBoost, GBM, LightGBM, and CatBoost", "engine": "knitr::rmarkdown", "headings": [ "Overview", "XGBoost", "Classification (iris)", "Regression (mtcars)", "GBM", "Classification (iris, binary)", "LightGBM", "Adding a new backend" ], "created": "2026-05-15 15:32:34", "modified": "2026-05-15 15:32:34", "commits": 1 } ], "_score": 3.5910646070264995, "_indexed": false, "_nocasepkg": "e2tree", "_universes": [ "cran" ], "_indexurl": "https://massimoaria.r-universe.dev/e2tree", "_binaries": [ { "r": "4.7.0", "os": "linux", "version": "1.2.0", "date": "2026-06-14T07:03:32.000Z", "distro": "noble", "arch": "aarch64", "commit": "d42b7b325230b96f7862016b6673d18dca682a91", "fileid": "575c993ae8ee6ad97c93f0164f63dbebaf8e59950a7c8f79748c7149464d6f1d", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/cran/actions/runs/27491219981" }, { "r": "4.7.0", "os": "linux", "version": "1.2.0", "date": "2026-06-14T07:03:09.000Z", "distro": "noble", "arch": "x86_64", "commit": "d42b7b325230b96f7862016b6673d18dca682a91", "fileid": "33046c96b6765144849367c185aba0add2902e4a3f951792689124f44585d2bb", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/cran/actions/runs/27491219981" }, { "r": "4.6.0", "os": "linux", "version": "1.2.0", "date": "2026-06-14T07:03:56.000Z", "distro": "noble", "arch": "aarch64", "commit": "d42b7b325230b96f7862016b6673d18dca682a91", "fileid": "68f165eec0a5b2a490e2f212d47cd4c8a5b4d1ce52a2ea30336eee4a4a60e518", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/cran/actions/runs/27491219981" }, { "r": "4.6.0", "os": "linux", "version": "1.2.0", "date": "2026-06-14T07:03:11.000Z", "distro": "noble", "arch": "x86_64", "commit": "d42b7b325230b96f7862016b6673d18dca682a91", "fileid": "b3eb67a9d2579e4769c9539a9eb0c8307016e15febf96f90cec4c0054fa69e22", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/cran/actions/runs/27491219981" }, { "r": "4.6.0", "os": "wasm", "version": "1.2.0", "date": "2026-06-14T07:03:18.000Z", "arch": "emscripten", "commit": "d42b7b325230b96f7862016b6673d18dca682a91", "fileid": "512fcf0c57512962965c43946ffc35ec04937c2233b9e2b548a5386073890f09", "status": "success", "buildurl": "https://github.com/r-universe/cran/actions/runs/27491219981" } ] }