Dear Franz
Only attachments of specific types are allowed on the R lists and yours
did not come through. It might be necessary to show your code as well.
Have you thought of trying the mailing list dedicated to mixed models?
https://stat.ethz.ch/mailman/listinfo/r-sig-mixed-models
Michael
On 04/03/2023 09:16, Franz Härtl wrote:
Dear R-project team,
I have a problem with the function varFixed() of the nlme-package.
I used it with the squid-data of Zuur et. al 2009 (chapter 4), to fix
increasing residuals (heterogenetiy) (see graph in the email)
I get the message '
Variance function structure of class varFixed with no parameters, or
uninitialized
Could you help me please?
Kind regards
Franz
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--
Michael
http://www.dewey.myzen.co.uk/home.html
______________________________________________
R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
