Downloading Data with Shiny
An Example of R creating a pdf and then delivering with Shiny to Download. This is a very crude example in serious need of refinement and should be considered highly experimental. Shiny has prebuilt functions with plotOutput for delivering R plots through .png, but sometimes we might like to deliver more than .png. Ideally, we could use knitr's knit2pdf function to access the power of latex to build a multi-page pdf real-time and then send it to the browser. This example unfortunately only uses pdf() instead of knit2pdf().
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