[R] Help on lme output. what are the estimates in $modelStruct

Dieter Menne dieter.menne at menne-biomed.de
Mon Dec 27 19:22:13 CET 2010



Lei wrote:
> 
> 
> I have been playing with lme fitting different kinds of model. I am
> puzzled by the estimates associated with $modelStruct and I have no idea
> what they are?
> 
> e.g if I fit a random intercept model using the following
> 
> fit.0<-lme(y~time,random=list(subject=pdIdent(~1)))
> 
> The coef(fit.0$modelStruct) produces 
> 
>> coef(fit.0$modelStruct)
> reStruct.subject 
>        0.4758451 
> ....
> 

For an explanation, see 

http://markmail.org/message/e2bn7wlwci3z4a75

(and please post your examples with test data, or with reference to nlme
data (data =Machines comes close).

Dieter


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