Simulation, Visualization and Comparison of Tumor Evolution Data R package GeRnika version 1.2.0 Simulating, visualizing and comparing tumor clonal data by using simple commands. This aims at providing a tool to help researchers to easily simulate tumor data and analyze the results of their approaches for studying the composition and the evolutionary history of tumors. Software Depends: R (>= 4.00) Imports: data.tree, purrr, reshape2, DiagrammeR, colorspace, dplyr, methods, vctrs, magrittr, stats Suggests: knitr, rmarkdown, knitcitations, ggpubr, ggplot2 Aitor Sánchez-Ferrera <aitor.sanchezf@ehu.eus> Comprehensive R Archive Network (CRAN) Aitor Sánchez-Ferrera [cre, aut] (ORCID: <https://orcid.org/0000-0001-6127-0686>), Maitena Tellaetxe-Abete [aut] (ORCID: <https://orcid.org/0000-0003-1894-4547>), Borja Calvo [aut] (ORCID: <https://orcid.org/0000-0001-9969-9664>) GPL (>= 3) 2025-11-12 application/tgz https://CRAN.R-project.org/package=GeRnika doi:10.32614/CRAN.package.GeRnika