itree object
by recursively snipping off the least important splits, based on the
complexity parameter (cp). Identical to prune.rpart.
prune(tree, ...)
"prune"(tree, cp, ...)itree. This is assumed to be the result
of some function that produces an object with the same named
components as that returned by the itree function.
itree object will be trimmed.
itree object that is trimmed to the value cp.
itree
#the rpart example:
z.auto <- itree(Mileage ~ Weight, car.test.frame)
zp <- prune(z.auto, cp=0.1)
plot(zp) #plot smaller itree object
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