[R-sig-ME] extract correlaton from VarCorr

[Ben Bolker]

attr(VarCorr(fitmodel)$group,"correlation")[2,1]


Ursa Reja wrote:
> Dear R users,
> 
> how do I extract correlation between random effects of 0.06836857 got by
> VarCor function (look below)?
> Tnx?
> 
> VarCorr(fitmodel)
> $group
>             (Intercept)          x
> (Intercept)  0.25016744 0.01788204
> x            0.01788204 0.27345787
> attr(,"stddev")
> (Intercept)           x
>   0.5001674   0.5229320
> attr(,"correlation")
>             (Intercept)          x
> (Intercept)  1.00000000 0.06836857
> x            0.06836857 1.00000000
> 
> attr(,"sc")
> sigmaREML
> 0.7239645
> 
> 	[[alternative HTML version deleted]]
> 
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-- 
Ben Bolker
Associate professor, Biology Dep't, Univ. of Florida
bolker at ufl.edu / www.zoology.ufl.edu/bolker
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