How to tell version of RStudio and R
You can find out the version of RStudio IDE by simply selecting "About RStudio" from the Help menu.
To find out version of the R interpreter in your RStudio, type in version command in the Console window and press the enter key. You should see output similar to this:
> version _ platform x86_64-pc-linux-gnu arch x86_64 os linux-gnu system x86_64, linux-gnu status major 3 minor 3.3 year 2017 month 03 day 06 svn rev 72310 language R version.string R version 3.3.3 (2017-03-06) nickname Another Canoe