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Have you also tried these two really greate resources?
Leo Breiman’s website (creator of RF):
http://stat-www.berkeley.edu/users/breiman/RandomForests/cc_home.htm#workings
try the example in the Liaw & Wiener paper in http://cran.r-project.org/doc/Rnews/Rnews_2002-3.pdf
of the Forensic Glas...