Gene-Environment Interaction Analysis Incorporating Prior Information R package GEInfo version 1.0 Realize three approaches for Gene-Environment interaction analysis. All of them adopt Sparse Group Minimax Concave Penalty to identify important G variables and G-E interactions, and simultaneously respect the hierarchy between main G and G-E interaction effects. All the three approaches are available for Linear, Logistic, and Poisson regression. Also realize to mine and construct prior information for G variables and G-E interactions. Software Imports: MASS, glmnet, stats, rvest, dplyr, pheatmap, grDevices, graphics Xiaoyan Wang <xywang@hnu.edu.cn> Comprehensive R Archive Network (CRAN) Xiaoyan Wang, Hongduo Liu, and Shuangge Ma GPL 2022-01-10 application/tgz https://CRAN.R-project.org/package=GEInfo doi:10.32614/CRAN.package.GEInfo