The newest version of the app is always available on GitHub. To run it use this R code: shiny::runGitHub("MaciejDanko/UndercountMigScores", launch.browser = TRUE)
You may need to update/install some dependencies: install.packages("usethis", "shiny", "Cairo", "colourpicker", "countrycodes","data.table", "DT", "magicaxis", "shinyhelper"); remotes::install_github("rstudio/bslib")
If equations do not display correctly you may need to (re-)install mathjax on your computer Linux: sudo apt-get install -y libjs-mathjax, Windows/Mac/Linux: https://sourceforge.net/projects/mathjax/