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Proximum  

Statistical Analysis of Ensemble Proximity Matrices
View on CRAN: Click here


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

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

Install by package version:
library("remotes")
install_version("Proximum", "1.1.0")



Attach the package and use:
library("Proximum")
Maintained by
Agostino Gnasso
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2026-09-17
Latest Update: 2026-09-17
Description:
Treats the proximity matrices produced by tree ensembles as first-class statistical objects rather than as model by-products. Provides a unified extractor across ensemble engines, in-bag and out-of-bag definitions, transformations to dissimilarities with metric diagnostics, corrections that make an indefinite proximity usable as a kernel, and permutation inference for comparing two proximity matrices or partitioning one across the terms of a design. Also provides a Nystrom approximation, a thresholded sparse representation and a streaming form that never allocates the matrix at all, for samples too large to hold it, measures how far the proximity moves between replicates of the ensemble, and draws each object through 'ggplot2': the seriated matrix, the configuration it implies, and the thresholded graph with its communities.
How to cite:
Agostino Gnasso (2026). Proximum: Statistical Analysis of Ensemble Proximity Matrices. R package version 1.1.0, https://cran.r-project.org/web/packages/Proximum. Accessed 10 Nov. 2026.
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