Hi Marguerite,
The issue is about nlme::gls. The help page ?gls says:
data: an optional data frame containing the variables named in
‘model’, ‘correlation’, ‘weights’, and ‘subset’. By default
the variables are taken from the environment from which ‘gls’
is
Dear all,
I am writing to seek for any advice with my phylogenetic comparative
analysis in behavioural traits.
I am trying to run an evolutionary model that contains other information
rather than BW, OU or EB. The variables I am using are continuous (time
proportion) and I want to fit them in
Aloha all,
Does anyone know the answer to this question - how does ape pass the
species name information into gls? Seems to be a global environment issue
when using apeʻs corBrownian and nlmeʻs gls? and a very specific form is
required, but why?
Modified from ape help page for CorClasses:
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