Anthromes 12K DGG (V1) analysis code and R research compendium

This R research compendium reproduces all the analyses and non-map visualizations in the paper Ellis et al. (2021). \"People have shaped most of terrestrial nature for at least 12,000 years\". Proceedings of the National Academy of Sciences, doi:10.1073/pnas.2023483118. It contains scripts and R Markdown vignettes for generating the hexagonal discrete global grid system, extracting HYDE3.2 data layers, applying the anthrome classification algorithm, and analyzing and visualizing the results. The analysis.rmd contains the source code for the main analyses in the paper, while the DGG_preparation.rmd and anthrome_classification.rmd files include the computationally intensive preprocessing steps. Refer to the included README file for details of the compendium structure and directions for running the compendium on your local computer. Raw, intermediate, and output data from this analysis are available as the \"Anthromes 12K DGG (V1) Full Dataset\" at doi:10.7910/DVN/E3H3AK. For a more up-to-date version of this codebase including additional features, performance improvements, and documentation, please refer to the associated R package at https://github.com/nick-gauthier/anthromes.