r2d3 - R Interface to D3 Visualizations

This is a companion discussion topic for the original entry at https://www.rstudio.com/blog/r2d3-r-interface-to-d3-visualizations

As part our series on new features in the RStudio v1.2 Preview Release, we’re pleased to announce the r2d3 package, a suite of tools for using custom D3 visualizations with R.
RStudio v1.2 includes several features to help optimize your development experience with r2d3. We’ll describe these features below, but first a bit more about the package. Features of r2d3 include:
Translating R objects into D3 friendly data structures