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istrue
2008 Oct 27
0
Displaying number of Y/N affected by tree in rule form RE: R question/request on rules from rpart
...the function returns the rules along with
Y and N count affected by the resulting rule.
I am ccing the r-help post in case anyone wants to reuse this
updated version as well.
This is a great little function. Thanks for developing it and
suggesting how to make the enhancement.
Regards,
Dhruv
listrules<-function(model)
{
if (!inherits(model, "rpart")) stop("Not a legitimate rpart tree")
#
# Get some information.
#
frm <- model$frame
names <- row.names(frm)
ylevels <- attr(model, "ylevels")
ds.size <- model$frame[1,]$n
#
#...