Tech Junkie Blog shows how to install R tooling within Visual Studio 2017:
In this post we are going to go over the steps to install R Tools For Visual Studio 2017. RStudio has a development environment that is bare bones for the free version. Visual Studio 2017 offers a more robust development environment if you download the R Tools feature.
Here are the steps to install R Tools for Visual Studio:
R Tools for Visual Studio 2015 is still a separate download.