(This article was first published on Programming R, and kindly contributed to R-bloggers)
Compared to many other languages of equal popularity, there are realtively few development environments for R. In fact, the total number of production ready R IDEs could probably be counted on one hand. That deficiency is a small price to pay to use R and if you're not already accustomed to using IDEs for other languages, you probably haven't missed it too much.
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Zero Inflated Models and Generalized Linear Mixed Models with R.
Zuur, Saveliev, Ieno (2012).