nlme (version 3.1-13)

residuals.gls: Extract gls Residuals

Description

The residuals for the linear model represented by object are extracted.

Usage

residuals(object, type)

Arguments

object

an object inheriting from class gls, representing a generalized least squares fitted linear model.

type

an optional character string specifying the type of residuals to be used. If "response", the "raw" residuals (observed - fitted) are used; else, if "pearson", the standardized residuals (raw residuals divided by the c

Value

• a vector with the residuals for the linear model represented by object.

See Also

gls, fitted.gls

Examples

data(Ovary)
fm1 <- gls(follicles ~ sin(2*pi*Time) + cos(2*pi*Time), Ovary,
           correlation = corAR1(form = ~ 1 | Mare))
residuals(fm1)