Tool for Statistical and Environmental Analysis R package GREENREG version 0.1.0 Provides a set of accessible and automated functions to apply statistical models such as Simple Linear Regression (RLS, from the Spanish 'Regresión Lineal Simple'), Multiple Linear Regression (RLM, from the Spanish 'Regresión Lineal Múltiple'), Generalized Linear Models (GLM), and time series analysis through Autoregressive Integrated Moving Average (ARIMA) models. Designed to support teaching at the Universidad Autónoma Chapingo, it facilitates results interpretation and assumption validation through automatic graphical diagnostics. Methods for regression and time series are based on Montgomery et al. (2021, ISBN:978-1119570141) and Box & Jenkins (1970, ISBN:978-0816211043). Software Depends: R (>= 3.5) Imports: ggplot2, ggrepel, stats, lmtest, Suggests: pROC, broom, car, rmarkdown, tseries Dayron Jared Bazan Guzman <dbazanguzman@gmail.com> Comprehensive R Archive Network (CRAN) Dayron Jared Bazan Guzman [aut, cre] GPL-3 2026-05-29 application/tgz https://CRAN.R-project.org/package=GREENREG doi:10.32614/CRAN.package.GREENREG