anchor.diff:  The following R-code will *extract the desired features* from the
   CSV-files and store them in a Stylo-accessible way.
   
  -[source, python]
  +[source, r]
   ----
   # Extract file names
   files = list.files(pattern = "*.csv")
  
positive.code: 
  In R, a simple reader can be written as follows:
  
  [source, python]
  ----
  df = read.table("./data/Effi_Briest_Short.txt.csv", # or whatever file you want to read
                  header = T,                         # first line as headers
  
negative.code: the working directory can be changed using the "setwd()" command in the
  R console, like in
  
  [source, r]
  ----
  setwd("~/DKPro/")
  ----
  