R Markdown is one of my favorite things about modern R. It offers an easy way to combine text, R code, and the results of R code in a single document. And when that document is rendered as HTML, you can add some user interaction with HTML widgets like DT for tables or leaflet for maps. (If you’re not familiar with R Markdown, you can check out my R Markdown video tutorial first and then come back here.)
Instructions and code to create a data frame of data by ZIP code
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