Message-ID: <3D6DD395.E6ADAC3E@statistik.uni-dortmund.de>
Date: 2002-08-29T07:56:05Z
From: Uwe Ligges
Subject: unlist (rpart.object.list)
chr.schulz at email.de wrote:
>
> Hello,
> can me please help anbody how it is possible
> unlist a "rpart.object.list" i.e. from bagging(ipred) to
> plot this "unique" several rpart.objects .
>
> ..i make attempts with unlist, get really atomic
> elements, but need only the different tree's !
Right, that's what unlist() does.
In ?bagging (package ipred), you will find in section "Value":
Value
An object of class bagging: a list containing the following objects
mt list of length nbagg containing rpart trees.
So, following the first example in ?bagging, you get a list of trees
with:
X <- as.data.frame(matrix(rnorm(1000), ncol=10))
y <- factor(ifelse(apply(X, 1, mean) > 0, 1, 0))
learn <- cbind(y, X)
mt <- bagging(y ~., data=learn, coob=TRUE)
mt$mt
Uwe Ligges
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