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rpart (version 3.1-21)

rpart-internal: Internal Functions

Description

Internal functions, only used by packages rpart and ipred.

Usage

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

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)

Value

  • rpart.anova, rpart.class, rpart.exp and rpart.poisson return a list with components
  • y(adjusting for offset if necessary),
  • parmsas input,
  • numrespthe number of responses,
  • summarya function to be invoked by summary.rpart,
  • texta function to be invoked by text.rpart.