Package: PPtreeExt Type: Package Version: 0.1.0 Title: Projection Pursuit Classification Tree Extensions Authors@R: c(person(given = "Natalia", family = "da Silva", role = c("aut", "cre"), email = "natalia.dasilva@fcea.edu.uy", comment = c(ORCID = "https://orcid.org/0000-0002-6031-7451")), person(given = "Dianne", family = "Cook", role = "aut", email = "dicook@monash.edu" ), person(given = "Eun-Kyung", family = "Lee", role = "aut", email = "lee.eunk@gmail.com" ) ) Maintainer: Natalia da Silva Description: Implements extensions to the projection pursuit tree algorithm for supervised classification, see Lee, Y. (2013), and Lee, E-K. (2018) . The algorithm is changed in two ways: improving prediction boundaries by modifying the choice of split points-through class subsetting; and increasing flexibility by allowing multiple splits per group. License: GPL (>= 2) URL: https://github.com/natydasilva/PPtreeExt LazyData: yes Depends: R (>= 4.3.0) Imports: Rcpp (>= 1.1.0), ggplot2, shiny, MASS, gridExtra, MixSim, PPtreeViz Suggests: knitr, randomForest, rpart, GGally, RColorBrewer, roxygen2 (>= 7.3.0), rmarkdown, rsample Encoding: UTF-8 LinkingTo: Rcpp,RcppArmadillo RoxygenNote: 7.3.3 Config/pak/sysreqs: cmake make libuv1-dev zlib1g-dev Repository: https://natydasilva.r-universe.dev Date/Publication: 2026-02-05 21:32:13 UTC RemoteUrl: https://github.com/natydasilva/PPtreeExt RemoteRef: HEAD RemoteSha: ed6064e9bbbc4832a7e657e2d9380559046586ee NeedsCompilation: yes Packaged: 2026-07-05 06:36:03 UTC; root Author: Natalia da Silva [aut, cre] (ORCID: ), Dianne Cook [aut], Eun-Kyung Lee [aut]