Posted on July 6, 2012 by Paolo Sonego in Uncategorized | 0 Comments
[This article was first published on One R Tip A Day, and kindly contributed to R-bloggers]. (You can report issue about the content on this page here)
Want to share your content on R-bloggers? click here if you have a blog, or here if you don't.
The ‘Summer edition’ of the R Journal is out! Get it from here.
To leave a comment for the author, please follow the link and comment on their blog: One R Tip A Day.