Sharing Google Visualization API integration with Shiny

Sharing my shiny app for those interested. The tool bar at the top has a "google charts" tab where you can read in data and create an array of very beautiful google charts. This app is not using an R package for google visualization, but directly integrates the google charts visualization API with shiny by converting R objects to JSON and using the Shiny.addCustomMessageHandler() to communicate between the R server and the client browser.

By communicating directly with R and the javascript classes, we can scale this easily and all visual displays are interactive in the UI.


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