Portable Mars Runtime Replay R package marsearth version 0.0.0 Loads, validates, and replays portable 'mars' ModelSpec artifacts from R. The package provides helpers for constructing design matrices, generating predictions, and, when the companion runtime helper is available, fitting portable model specifications for cross-language replay. Software Imports: jsonlite Suggests: knitr, rmarkdown Dylan A Mordaunt <dylan.mordaunt@vuw.ac.nz> Comprehensive R Archive Network (CRAN) Dylan A Mordaunt [aut, cre] Apache License (>= 2) 2026-05-19 application/tgz https://CRAN.R-project.org/package=marsearth doi:10.32614/CRAN.package.marsearth