mixlm (version 1.2.6)

PRESS: Prediction fits

Description

Various summaries of predictions and PRESS residuals.

Usage

R2pred(object = NULL)
RMSEP(object)
rmsep(object)
PRESS(object = NULL)
PRESS.res(object = NULL, ncomp = NULL)
PRESS.pred(object = NULL, ncomp = NULL)

Arguments

object

a fitted model of type lm or mvr.

ncomp

number of components to use with mvr (optional).

Value

Returns either an object of summaries or residuals.

Details

Predictions are extracted and summaries/residuals are computed.

Examples

# NOT RUN {
data <- data.frame(y = rnorm(8),
				   x = factor(c('a','a','a','a','b','b','b','b')),
				   z = factor(c('a','a','b','b','a','a','b','b')))
mod <- lm(y ~ x + z, data=data)
RMSEP(mod)
rmsep(mod) # Alias to distinguish it from pls::RMSEP
R2pred(mod)
PRESS(mod)
PRESS.res(mod)
PRESS.pred(mod)
# }