Rank-Based Stability Index (RSI) for Genotype by Environment Studies R package NPStability version 0.1.0 Provides functions to compute the Rank-Based Stability Index (RSI) for genotype by environment interaction data, along with a genotype plus genotype-by-environment (GGE) style biplot visualization of stability. Software Depends: R (>= 4.0) Imports: dplyr, tidyr, rlang, ggplot2 Suggests: knitr, rmarkdown Prakash Kumar <prakash289111@gmail.com> Comprehensive R Archive Network (CRAN) Prakash Kumar [aut, cre], Himadri Sekhar Roy [aut], Ranjit Kumar Paul [aut], Md. Yeasin [aut], Sunil Kumar Yadav [aut], Amrit Kumar Paul [aut] GPL-3 2026-01-22 application/tgz https://CRAN.R-project.org/package=NPStability doi:10.32614/CRAN.package.NPStability