(This article was first published on Revolutions, and kindly contributed to R-bloggers)
Over at R community site inside-R.org, Revolution's Joseph Rickert has published a How-To guide with tips for new users on How to Learn R, with links to resources for R books, blogs and courses. Check it out at the link below.
Inside-R: How to Learn R
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Zero Inflated Models and Generalized Linear Mixed Models with R.
Zuur, Saveliev, Ieno (2012).