[R] nlme varFixed

[Michael Dewey]

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
> ______________________________________________
> R-help using r-project.org mailing list -- To UNSUBSCRIBE and more, see
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide 
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
> 

-- 
Michael
http://www.dewey.myzen.co.uk/home.html