I haven't personally tested this with biber and biblatex (or
even bibTeX), but I do know that other users have got this working
with RStudio. It is possible you need to have the following
environment variables point to the directory where your biber and
biblatex (or bibTeX) files are located (similar
You can check their current value with Sys.getenv() and can set
them either in your .Renviron file or using Sys.setenv().
If you are able to get this working, definitely let me know so
that I can inform other users as well.