The R package ARstatistic can be used to examine linear and nonlinear associations between two random variables.
For more details on the AR statistic, please refer to https://doi.org/10.1080/10618600.2024.2388544. Supplementary data and code needed to reproduce the results reported in the article are available at https://github.com/markkukuismin/ARstatistic_supplementary.
The R package ARstatistic can be installed from source files in the GitHub repository (R package devtools is needed):
library(devtools)
install_github(repo="markkukuismin/ARstatistic")