Internal Functions

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Description

Internal functions, only used by packages rpart and ipred.

Usage

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pred.rpart(fit, x)
rpart.anova(y, offset, parms, wt)
rpart.class(y, offset, parms, wt)
rpart.matrix(frame)
rpart.poisson(y, offset, parms, wt)
rpartco(tree, parms)

Arguments

fit

a tree fitted by rpart.

x

a matrix of predictors.

y

the responses.

offset

an offset, or NULL.

parms

a list of parameters, usually empty.

wt

case weights.

frame

model frame (from call to rpart)

tree

a tree fitted by rpart.

Value

For rpartco the x,y plotting coordinates of the nodes.

rpart.anova, rpart.class and rpart.poisson return a list with components

y

(adjusting for offset if necessary),

parms

as input,

numresp

the number of responses,

summary

a function to be invoked by summary.rpart,

text

a function to be invoked by text.rpart.

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