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itree (version 0.1)

rpart-internal: Internal Functions

Description

Internal functions, only used by packages rpart and ipred.

Usage

pred.rpart(fit, x) 
itree.anova(y, offset, parms, wt)
itree.class(y, offset, parms, wt)
itree.matrix(frame)
itree.class_purity(y, offset, parms, wt)
itree.class_extremes(y, offset, parms, wt)
itree.regression_purity(y, offset, parms, wt)
itree.regression_extremes(y, offset, parms, wt)

Arguments

fit
a tree fitted by itree.
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 itree)

Value

itree.anova, itree.class, itree.exp, itree.class_purity,itree.class_extremes, itree.regression_purity, itree.regression_extremes, itree.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.itree,
text
a function to be invoked by text.itree.