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PPtreeExt  

Projection Pursuit Classification Tree Extensions
View on CRAN: Click here


Download and install PPtreeExt package within the R console
Install from CRAN:
install.packages("PPtreeExt")

Install from Github:
library("remotes")
install_github("cran/PPtreeExt")

Install by package version:
library("remotes")
install_version("PPtreeExt", "0.1.0")



Attach the package and use:
library("PPtreeExt")
Maintained by
Natalia da Silva
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2026-02-06
Latest Update: 2026-02-06
Description:
Implements extensions to the projection pursuit tree algorithm for supervised classification, see Lee, Y. (2013), <doi:10.1214/13-EJS810> and Lee, E-K. (2018) <doi:10.18637/jss.v083.i08>. 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.
How to cite:
Natalia da Silva (2026). PPtreeExt: Projection Pursuit Classification Tree Extensions. R package version 0.1.0, https://cran.r-project.org/web/packages/PPtreeExt. Accessed 24 Oct. 2026.
Previous versions and publish date:
No previous versions
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Complete documentation for PPtreeExt
Functions, R codes and Examples using the PPtreeExt R package
Full PPtreeExt package functions and examples
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