[R] mtry in ctree_control()

Achim Zeileis Achim.Zeileis at wu-wien.ac.at
Mon Nov 12 22:12:49 CET 2007


On Mon, 12 Nov 2007, Lam, Kelvin wrote:

> What is the actual usage of "mtry" in ctree(), or specifically,
> ctree_control() since it's a single tree?  Thanks in advance.

As the associated man page explains: This is useful if you want to build
an ensemble (such as a random forest) based on ctree()s. If you only want
to fit a single tree, you typically want to keep the default value "mtry =
0", i.e., no random selection.
Z



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