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adjoin  

Constructing Adjacency Matrices Based on Spatial and Feature Similarity
View on CRAN: Click here


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

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

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



Attach the package and use:
library("adjoin")
Maintained by
Bradley R. Buchsbaum
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2026-04-21
Latest Update: 2026-04-21
Description:
Constructs sparse adjacency matrices from spatial coordinates, feature measurements, class labels, and temporal indices. Supports nearest-neighbor graphs, heat-kernel weights, graph Laplacians, diffusion operators, and bilateral smoothers for graph-based data analysis, following spectral graph methods in von Luxburg (2007) <doi:10.1007/s11222-007-9033-z>, diffusion maps in Coifman and Lafon (2006) <doi:10.1016/j.acha.2006.04.006>, and bilateral filtering in Tomasi and Manduchi (1998) <doi:10.1109/ICCV.1998.710815>.
How to cite:
Bradley R. Buchsbaum (2026). adjoin: Constructing Adjacency Matrices Based on Spatial and Feature Similarity. R package version 0.1.0, https://cran.r-project.org/web/packages/adjoin. Accessed 24 Oct. 2026.
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