(This article was first published on Revolutions, and kindly contributed to R-bloggers)
Wolfram's Mathematica is the lastest software to add a connection to R, joining a long list of applications providing R access to their users. Mathematica 9 will use a Java-based link allow users to exchange data between Mathematica and R and to execute R code from within Mathematica. (via Ajay Ohri)
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Zero Inflated Models and Generalized Linear Mixed Models with R.
Zuur, Saveliev, Ieno (2012).