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CRAN: Package xaci

xaci: Actuarial Climate Index

Computes the Actuarial Climate Index (ACI) and its components (temperature, precipitation, drought, wind, sea level) from gridded climate data ('NetCDF') and tide gauge records. Implements the methodology described in Garrido, Milhaud & Olympio (2025) <https://hal.science/hal-04491982v2> for a French/European actuarial climate index, building on the American Academy of Actuaries framework, to any country in the world.

Version: 0.1.0
Depends: R (≥ 4.1.0)
Imports: ncdf4 (≥ 1.19), dplyr (≥ 1.1), zoo (≥ 1.8), readr (≥ 2.1), ggplot2 (≥ 3.4.0), tidyr, sf, rnaturalearth, geodata, terra, units, parallel
Suggests: testthat (≥ 3.0.0), patchwork (≥ 1.1.0), ecmwfr (≥ 2.0.0), rnaturalearthdata, gganimate, gifski, knitr, rmarkdown, spelling
Published: 2026-09-09
DOI: 10.32614/CRAN.package.xaci
Author: Xavier Milhaud [aut, cre, ctb], Dabakh Kane [ctb], Esteban Mauboussin [ctb]
Maintainer: Xavier Milhaud <xavier.milhaud.research at gmail.com>
BugReports: https://github.com/XavierMilhaud/xaci/issues
License: MIT + file LICENSE
URL: https://github.com/XavierMilhaud/xaci
NeedsCompilation: no
Language: en-US
Materials: README
CRAN checks: xaci results

Documentation:

Reference manual: xaci.html , xaci.pdf
Vignettes: Administrative-Level Aggregation (source)
The Aggregation Matrix: Every Spatial x Temporal Combination (source)
Computing the Six ACI Components (source)
Running calculate_aci() End to End (source)
Get Started with xaci (source)
Memory-Safe Processing with the terra Engine (source)
Visualizing ACI Results (source)

Downloads:

Package source: xaci_0.1.0.tar.gz
Windows binaries: r-devel: xaci_0.1.0.zip, r-release: not available, r-oldrel: xaci_0.1.0.zip
macOS binaries: r-release (arm64): not available, r-oldrel (arm64): xaci_0.1.0.tgz, r-release (x86_64): xaci_0.1.0.tgz, r-oldrel (x86_64): xaci_0.1.0.tgz

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