rpart-internal: Internal Functions
In rpart: Recursive Partitioning and Regression Trees

rpart-internal

R Documentation

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.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`.