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GowerSom: Self-Organizing Maps for Mixed-Attribute Data Using Gower Distance

Implements a variant of the Self-Organizing Map (SOM) algorithm designed for mixed-attribute datasets. Similarity between observations is computed using the Gower distance, and categorical prototypes are updated via heuristic strategies (weighted mode and multinomial sampling). Provides functions for model fitting, mapping, visualization (U-Matrix and component planes), and evaluation, making SOM applicable to heterogeneous real-world data. For methodological details see Sáez and Salas (2026) <doi:10.1007/s41060-025-00941-6>.

Version: 0.1.0
Depends: R (≥ 4.3.0)
Imports: StatMatch, dplyr, gower, ggplot2, cluster, reshape2, grid, utils, stats, cli
Suggests: knitr, rmarkdown
Published: 2026-01-27
DOI: 10.32614/CRAN.package.GowerSom
Author: Patricio Salas ORCID iD [aut, cre], Patricio Sáez ORCID iD [aut]
Maintainer: Patricio Salas <patricioasalas at udec.cl>
License: GPL-2
NeedsCompilation: yes
CRAN checks: GowerSom results

Documentation:

Reference manual: GowerSom.html , GowerSom.pdf

Downloads:

Package source: GowerSom_0.1.0.tar.gz
Windows binaries: r-devel: GowerSom_0.1.0.zip, r-release: not available, r-oldrel: GowerSom_0.1.0.zip
macOS binaries: r-release (arm64): GowerSom_0.1.0.tgz, r-oldrel (arm64): GowerSom_0.1.0.tgz, r-release (x86_64): GowerSom_0.1.0.tgz, r-oldrel (x86_64): GowerSom_0.1.0.tgz

Linking:

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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.
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