caper (version 1.0.3)

plot.pgls: Diagnostic plots for 'pgls' models.

Description

The function generates four diagnostics plots for 'pgls' models.

Usage

# S3 method for pgls
plot(x, ...)

Arguments

x

An object of class 'pgls'.

...

Additional arguments to plot functions.

Author

Rob Freckleton, David Orme

Details

The first two plots show the fit of the phylogenetic residuals from the model to a normal distribution: a density plot of the residuals and a normal Q-Q plot. The second two plots scatterplots show pattern in the distribution of the fitted values against the observed and residual values.

See Also

pgls

Examples

data(shorebird)
shorebird <- comparative.data(shorebird.tree, shorebird.data, Species, vcv=TRUE, vcv.dim=3)
mod1 <- pgls(log(Egg.Mass) ~ log(M.Mass) * log(F.Mass), shorebird)
par(mfrow=c(2,2))
plot(mod1)