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ROOT  

Rashomon Set of Optimal Trees
View on CRAN: Click here


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

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

Install by package version:
library("remotes")
install_version("ROOT", "0.2.0")



Attach the package and use:
library("ROOT")
Maintained by
Peter Liu
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2026-03-10
Latest Update: 2026-03-10
Description:
Implements a general framework for globally optimizing user-specified objective functionals over interpretable binary weight functions represented as sparse decision trees, called ROOT (Rashomon Set of Optimal Trees). It searches over candidate trees to construct a Rashomon set of near-optimal solutions and derives a summary tree highlighting stable patterns in the optimized weights. ROOT includes a built-in generalizability mode for identifying subgroups in trial settings for transportability analyses (Parikh et al. (2025) <doi:10.1080/01621459.2025.2495319>).
How to cite:
Peter Liu (2026). ROOT: Rashomon Set of Optimal Trees. R package version 0.2.0, https://cran.r-project.org/web/packages/ROOT. Accessed 22 Oct. 2026.
Previous versions and publish date:
(2026-07-31 21:00), 0.1.1 (2026-03-10 12:40)
Other packages that cited ROOT R package
View ROOT citation profile
Other R packages that ROOT depends, imports, suggests or enhances
Complete documentation for ROOT
Functions, R codes and Examples using the ROOT R package
Full ROOT package functions and examples
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