anchor.diff:  Now we can run some calculations and create charts. When using R on Mac, the default graphics
   device (Quartz) sometimes hangs, but X11 is working without issues, so the following uses X11:
   *)
  +// basic test if RProvider works correctly
  +R.mean([1;2;3;4])
  +// val it : RDotNet.SymbolicExpression = [1] 2.5
  +
  +// testing graphics
   R.x11()
   
   // Calculate sin using the R 'sin' function
  
positive.code: Using R provider on Mac and Linux
  =================================
  
  The most recent version of the R type provider can be used on Mac and Linux using
  Mono. However, there is a bit of setup that you need to go through first. This document
  describes the necessary steps for using R provider on Mac using Xamarin Studio, but
  it should be easily adaptable for other configuration. If no, please [edit this 
  file](https://github.com/BlueMountainCapital/FSharpRProvider/blob/master/docs/content/mac-and-linux.fsx)
  
negative.code: Now, type the following in the script file (with the correct R provider version):
  *)
  #nowarn "211"
  #I "packages/RProvider.1.1.19"
  #load "RProvider.fsx"
  
  open RProvider
  