A couple of years ago, I wrote The complete n00bs guide to mapping in R, my first adventure into R. While that tutorial still holds up, if you’re looking to make a state-level Choropleth Map, there really isn’t anything easier than working with Ploty in R. Once you get R and RStudio installed and set up, there’s only a few steps that you need to take. If you have a spreadsheet or can make one easily enough of state-level data, like this ranking of mental health and access in the USA by states , you only need a couple of…
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