Replication information for "A visual tool to explore the composition of 
international migration flows in the EU countries, 1998–2015" by Beata Nowok

# The Shiny application is available at: https://bnowok.shinyapps.io/eumigration/
  It was developed and deployed using R version 3.6.1 (2019-07-05).

# The .zip archive contains the following files:

1. app.R - complete code needed to create the Shiny app

2. ctzEU - dataset on international immigration and emigration by broad group 
           of citizenship that is used in the Shiny app; the underlying raw data
           is free and publicly available from the Eurostat’s online database;
           the data can be loaded to R using command load("ctzEU")

3. col_bg - dataset used to create the background of the ternary plot colored 
            with different shades of grey               

4. figures_1-4.R - code to reproduce figures presented in the paper without 
                   using the Shiny app