In 2015 I was working on my master thesis “The integration of (QU)AIDS and input-output analysis in a panel data setting” and had to analyse the structure of household expenditure. I stumbled open several visualizations in The Economist (World and EU) while searching for information on this topic. Thinking that they looked great I wanted to replicate these with R. The way I chose to do it is based on the question in stackoverflow.
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