To cite package ‘IBGS’ in publications use: Chen L (2026). _IBGS: Iterated Block Gibbs Sampler for Ultrahigh-Dimensional Variable Selection and Model Averaging_. R package version 1.0.0, . A BibTeX entry for LaTeX users is @Manual{, title = {IBGS: Iterated Block Gibbs Sampler for Ultrahigh-Dimensional Variable Selection and Model Averaging}, author = {Lizhong Chen}, year = {2026}, note = {R package version 1.0.0}, url = {https://github.com/lizhongc/ibgs}, }