Could you expand a bit on what the nature of integration with Excel might be?
* Right click on a data frame & "Open in Excel" (to view, chart, massage, etc.) but one way
to something more elaborate like we did for PTVS/Pyvot (two way):
* https://www.youtube.com/watch?v=Gu31s7kXPOg
to
* Using R as a scripting language in Excel, edited/debugged in RTVS (poke the Excel team pls ;))
to
* <your brilliant idea here!>
I imagine the Excel team is well aware of how embarrassingly weak the VBA language and Excel object model "quirkiness" is in the year 2016. I simply can't understand why they continue to let such a key platform languish.