[R] correlation structure in lme without random effect

[David Barron]

You haven't specified a random equation.  Try:

fit<-lme(fixed=y~g,random=~1|g,correlation=corAR1(0,~1|g))


On 30/10/06, Benjamin Tyner <btyner at stat.purdue.edu> wrote:
> I was hoping to fit along the lines of
>
> g<-gl(20,5)
> y<-runif(100)
> fit<-lme(fixed=y~g,correlation=corAR1(0,~1|g))
>
> But I get the error "Incompatible formulas for groups in "random" and
> "correlation""
>
> Any help would be greatly appreciated.
> Ben
>
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-- 
=================================
David Barron
Said Business School
University of Oxford
Park End Street
Oxford OX1 1HP