Diagnostic plots for 'pgls' models.
The function generates four diagnostics plots for 'pgls' models.
## S3 method for class 'pgls' plot(x, ...)
x |
An object of class 'pgls'. |
... |
Additional arguments to plot functions. |
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.
Rob Freckleton, David Orme
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)
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