Re: [R] Extracting Phi from gls/lme

From: Peter Dalgaard <>
Date: Thu 13 Jul 2006 - 21:59:14 EST

John Logsdon <> writes:

> I am trying to extract into a scalar the value of Phi from the printed
> output of gls or lme using corAR1 correlation. ie I want the estimate of
> the autocorrelation. I can't see how to do this and haven't seen it
> anywhere in str(model.lme).
> I can get all the other information - fixed and random effects etc.
> Is there an obvious way so that I can save the brick wall some damage?

Just be soft in the head...

Seriously, I think the recipe is to drill down into model.lme until you find the corAR1 class object, like this, I think.

x <- model.lme$modelStruct$corStruct

   O__  ---- Peter Dalgaard             ุster Farimagsgade 5, Entr.B
  c/ /'_ --- Dept. of Biostatistics     PO Box 2099, 1014 Cph. K
 (*) \(*) -- University of Copenhagen   Denmark          Ph:  (+45) 35327918
~~~~~~~~~~ - (                  FAX: (+45) 35327907

______________________________________________ mailing list
PLEASE do read the posting guide!
Received on Thu Jul 13 22:03:45 2006

Archive maintained by Robert King, hosted by the discipline of statistics at the University of Newcastle, Australia.
Archive generated by hypermail 2.1.8, at Fri 14 Jul 2006 - 00:15:06 EST.

Mailing list information is available at Please read the posting guide before posting to the list.