[RobinL]

It'd be amazing to see a combination of this with R Markdown

[throwaway161220]

If you're using Emacs and org-mode, look into org-babel which supports R among many other inline languages (C, Haskell, sh, SQL, ....) you can use as if you were in iPython.

[huac]

ggvis works similarly, creating interactive web graphics in html output from Rmd

http://ggvis.rstudio.com/