When using the plot.randomForest method, 3 error series (by number of trees) are plotted. I suspect they are associated with the 3 default values of mtry that are used, for example, in the tuneRF method but I'm not sure. Could someone confirm?

Also, is it possible to force different values of mtry to be used when creating the plots? I specified them explicitly in the randomForest statement but it did not seem to have an effect.
Many thanks,
Joe Retzer

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