Interactive Training App for Data Science and AI Skills R package cataScience version 2.1.2 An interactive 'shiny' training companion for people who are new to data, developed for World Health Organization data trainings. Bundles hands-on modules for importing data, missing values, outliers, text cleaning, merging, visualization, and basic statistics, plus a set of AI-skills pages (prompting levels, a prompt gallery, AI safety rules, and a methodology case study) and an interactive quiz with per-session topic filters. Launch the app with run_cata(). Software Depends: R (>= 4.1.0) Imports: broom, bslib (>= 0.6.0), cowplot, dplyr (>= 1.1.0), DT, forcats, ggplot2, markdown, mice, naniar, plotly, purrr, readr, readxl, rio, scales, shiny (>= 1.8.1), skimr, stringr, tibble, tidyr, VIM Suggests: testthat (>= 3.0.0), withr Shanlong Ding <dings@who.int> Comprehensive R Archive Network (CRAN) Shanlong Ding [aut, cre] (ORCID: <https://orcid.org/0000-0001-9048-6670>) MIT + file LICENSE (https://CRAN.R-project.org/package=cataScience/LICENSE) 2026-07-30 application/tgz https://CRAN.R-project.org/package=cataScience doi:10.32614/CRAN.package.cataScience en-US