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Fast and multi-threaded implementation of isolation forest (Liu, Ting, Zhou (2008) <doi:10.1109/ICDM.2008.17>), extended isolation forest (Hariri, Kind, Brunner (2018) <doi:10.48550/arXiv.1811.02141>), SCiForest (Liu, Ting, Zhou (2010) <doi:10.1007/978-3-642-15883-4_18>), fair-cut forest (Cortes (2021) <arXiv:2110:13402>), robust random-cut forest (Guha, Mishra, Roy, Schrijvers (2016) <http://proceedings.mlr.press/v48/guha16.html>), and customizable variations of them, for isolation-based outlier detection, clustered outlier detection, distance or similarity approximation (Cortes (2019) <doi:10.48550/arXiv.1910.12362>), isolation kernel calculation (Ting, Zhu, Zhou (2018) <doi:10.1145/3219819.3219990>), and imputation of missing values (Cortes (2019) <doi:10.48550/arXiv.1911.06646>), based on random or guided decision tree splitting, and providing different metrics for scoring anomalies based on isolation depth or density (Cortes (2021) <doi:10.48550/arXiv.2111.11639>). Provides simple heuristics for fitting the model to categorical columns and handling missing data, and offers options for varying between random and guided splits, and for using different splitting criteria.
Version: | 0.6.1-1 |
Depends: | R (≥ 4.3.0) |
Imports: | Rcpp (≥ 1.0.1), jsonlite (≥ 1.7.3), methods |
LinkingTo: | Rcpp |
Suggests: | MASS, outliertree, DiagrammeR, mlbench, MLmetrics, kernlab, knitr, rmarkdown, kableExtra |
Enhances: | Matrix, SparseM |
Published: | 2024-03-27 |
DOI: | 10.32614/CRAN.package.isotree |
Author: | David Cortes [aut, cre, cph], Thibaut Goetghebuer-Planchon [cph] (Copyright holder of included robinmap library), David Blackman [cph] (Copyright holder of original xoshiro code), Sebastiano Vigna [cph] (Copyright holder of original xoshiro code), NumPy Developers [cph] (Copyright holder of formatted ziggurat tables), SciPy Developers [cph] (Copyright holder of parts of digamma implementation), Enthought Inc [cph] (Copyright holder of parts of digamma implementation), Stephen Moshier [cph] (Copyright holder of parts of digamma implementation) |
Maintainer: | David Cortes <david.cortes.rivera at gmail.com> |
BugReports: | https://github.com/david-cortes/isotree/issues |
License: | BSD_2_clause + file LICENSE |
Copyright: | see file COPYRIGHTS |
URL: | https://github.com/david-cortes/isotree |
NeedsCompilation: | yes |
In views: | MissingData |
CRAN checks: | isotree results |
Reference manual: | isotree.pdf |
Vignettes: |
An Introduction to Isolation Forests |
Package source: | isotree_0.6.1-1.tar.gz |
Windows binaries: | r-devel: isotree_0.6.1-1.zip, r-release: isotree_0.6.1-1.zip, r-oldrel: isotree_0.6.1-1.zip |
macOS binaries: | r-release (arm64): isotree_0.6.1-1.tgz, r-oldrel (arm64): isotree_0.6.1-1.tgz, r-release (x86_64): isotree_0.6.1-1.tgz, r-oldrel (x86_64): isotree_0.6.1-1.tgz |
Old sources: | isotree archive |
Reverse depends: | bulkQC |
Reverse imports: | epimutacions, ifCNVR, itsdm, reverseR, scDiagnostics |
Reverse suggests: | applicable, familiar |
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These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.