rss: rss

In njtierney/treezy: Makes it Easier To Work With Decision Trees

Description

Calculate the RSS of a decision tree model.

Usage

rss(x, ...)

Arguments

x	A fitted rpart, gbm, or randomForest model
...	extra arguments

Value

The Residuals Sums of Squares (RSS) for the models 'rpart', 'gbm.step', and 'randomForest'.

Note

when using the 'caret' package, be sure to select 'model$finalModel' when entering it into the 'rss' function. Also note that the RSS only makes sense for continuous outcomes.

Examples

## Not run: 
library(rpart)

fit.rpart <- rpart(Kyphosis ~ Age + Number + Start, data = kyphosis)

rss(fit.rpart)

## End(Not run)

njtierney/treezy documentation built on Oct. 10, 2019, 1:08 a.m.