Facilitation of Data Preparation and Plotting Procedures for RDA and PCA Analyses R package GABB version 0.3.10 Help to the occasional R user for synthesis and enhanced graphical visualization of redundancy analysis (RDA) and principal component analysis (PCA) methods and objects. Inputs are : data frame, RDA (package 'vegan') and PCA (package 'FactoMineR') objects. Outputs are : synthesized results of RDA, displayed in console and saved in tables ; displayed and saved objects of PCA graphic visualization of individuals and variables projections with multiple graphic parameters. Software Imports: dplyr, egg (>= 0.4.5), ggforce, ggplot2, ggrepel, ggplotify, ggpubr, tidyr, Hotelling, pheatmap, stats, vegan, utils Suggests: FactoMineR, testthat (>= 3.0.0) Gregoire Bianchetti <auguste.blam@gmail.com> Comprehensive R Archive Network (CRAN) Gregoire Bianchetti [aut, cre] MIT + file LICENSE (https://CRAN.R-project.org/package=GABB/LICENSE) 2025-09-30 application/tgz https://CRAN.R-project.org/package=GABB doi:10.32614/CRAN.package.GABB en