The package includes functions to estimate a suitable map size based on various quality measures and to generate a model using the selected dimensions. It also performs hierarchical clustering on the map nodes or other data to group similar units.
Documentation about the SOM-HCA method is provided in Pastorelli et al. (2024) DOI:10.1002/xrs.3388
Full tutorial at: https://rpackagelab.blogspot.com/2026/05/introducing-somhca-r-package.html
R package available on CRAN: DOI: 10.32614/CRAN.package.somhca