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calba: Efficient Neighborhood Basal Area Metrics for Trees

Fast 'C++'-backed tools for computing conspecific and total neighborhood basal area in mapped forest plots. Includes unweighted and distance-weighted neighborhoods, multiple radii, decay kernels, and basic edge correction. Outputs are model-ready covariates for forest competition, growth, and survival models, following neighborhood modeling workflows commonly used in spatial ecology (e.g., Hülsmann et al. 2024 <doi:10.1038/s41586-024-07118-4>).

Version: 0.1.2
Imports: Rcpp
LinkingTo: Rcpp
Suggests: testthat (≥ 3.1.0), knitr, rmarkdown, ggplot2
Published: 2025-12-18
DOI: 10.32614/CRAN.package.calba
Author: Masatoshi Katabuchi [aut, cre]
Maintainer: Masatoshi Katabuchi <mattocci27 at gmail.com>
BugReports: https://github.com/mattocci27/calba/issues
License: GPL-3
NeedsCompilation: yes
CRAN checks: calba results

Documentation:

Reference manual: calba.html , calba.pdf
Vignettes: Neighborhood basal area with calba (source, R code)

Downloads:

Package source: calba_0.1.2.tar.gz
Windows binaries: r-devel: calba_0.1.2.zip, r-release: calba_0.1.2.zip, r-oldrel: calba_0.1.2.zip
macOS binaries: r-release (arm64): calba_0.1.2.tgz, r-oldrel (arm64): calba_0.1.2.tgz, r-release (x86_64): calba_0.1.2.tgz, r-oldrel (x86_64): calba_0.1.2.tgz

Linking:

Please use the canonical form https://CRAN.R-project.org/package=calba to link to this page.

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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