rss: Residual sum of squares

In model4you: Stratified and Personalised Models Based on Model-Based Trees and Forests

Description

Returns the sum of the squared residuals for a given object.

Usage

rss(object, ...)

## Default S3 method:
rss(object, ...)

Arguments

object	model object.
...	passed on to specific methods.

Value

sum of the squared residuals.

Examples

## example from ?lm
ctl <- c(4.17,5.58,5.18,6.11,4.50,4.61,5.17,4.53,5.33,5.14)
trt <- c(4.81,4.17,4.41,3.59,5.87,3.83,6.03,4.89,4.32,4.69)
group <- gl(2, 10, 20, labels = c("Ctl","Trt"))
weight <- c(ctl, trt)
lm.D9 <- lm(weight ~ group)
rss(lm.D9)

Example output

Loading required package: partykit
Loading required package: grid
Loading required package: libcoin
Loading required package: mvtnorm
[1] 8.72925

model4you documentation built on Jan. 8, 2021, 3:02 p.m.