Front-end cartographer. Research Engineer in Geographic Information Science at CNRS & UAR RIATE. Author of Mad Maps (2019), Practical Handbook of Thematic Cartography (2016, 2020, 2025) and Cartographia (2025).
I don't understand why, when browsing the data object, I don't see any feature from the maddison dataset. What is the difference between the data object and the initial countries object ?