Plot Positive and Negative Predictive Values for Medical Tests R package BayesianReasoning version 0.4.3 Functions to plot and help understand positive and negative predictive values (PPV and NPV), and their relationship with sensitivity, specificity, and prevalence. See Akobeng, A.K. (2007) <doi:10.1111/j.1651-2227.2006.00180.x> for a theoretical overview of the technical concepts and Navarrete et al. (2015) for a practical explanation about the importance of their understanding <doi:10.3389/fpsyg.2015.01327>. Software Depends: R (>= 4.1.0) Imports: cli, dplyr, ggforce (>= 0.4.0), ggplot2, ggtext, gt, magrittr, png, reshape2, scales, stats, tibble, tidyr Suggests: curl, httr, knitr, patchwork, purrr, rmarkdown, testthat (>= 3.0.0), vdiffr, webshot2 Gorka Navarrete <gorkang@gmail.com> Comprehensive R Archive Network (CRAN) Gorka Navarrete [aut, cre] (ORCID: <https://orcid.org/0000-0001-7678-8656>) CC0 2025-08-23 application/tgz https://CRAN.R-project.org/package=BayesianReasoning doi:10.32614/CRAN.package.BayesianReasoning