Description Usage Arguments Value References Examples
Computes F-ratio test of GLS models that include different sets of indicator variables.
1 | gls.ancova(form, Sigma, ReducedModel, FullModel)
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form |
Model formula. |
Sigma |
Matrix describing the covariance among data points. For the phylogenetic regression, this is based on a phylogeny (vcv(tree)). |
ReducedModel |
The GLS model that includes the fewest indicator variables. |
FullModel |
The GLS model that includes the fewest indicator variables. |
Anova table.
Smaers & Rohlf (2016) Testing species' deviations from allometric preductions using the phylogenetic regression. Evolution. 70 (5): 1145-1149.
1 | see https://smaerslab.com/software/
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