This rOpenGov R package provides tools to access Eurostat database, which you can also browse on-line for the data sets and documentation. For contact information and source code, see the package website.
Release version (CRAN):
install.packages("eurostat")
Development version (Github):
library(devtools)
install_github("ropengov/eurostat")
For examples on how to use the package, see the online tutorial (Articles section of the homepage).