Hi Martin,
many thanks for your tip!
but, { :-( }
what it 'full MLE' ? how to calculate? it is a saturated model???
and
it is valid for 'no-intercept model?
Many thanks again...
Cleber
> Hi Cleber,
> I have been using this function I wrote for lmer output. It should be
> easy to convert to lme. As with everything, buyer beware. Note that it
> requires (full) maximum likelihood estimates.
>
>
> Rsq <- function(reml.mod) {
> ## Based on
> ## N. J. D. Nagelkerke. A note on a general definition
> ## of the coefficient of determination. Biometrika, 78:691–692, 1991.
> ml.mod <- update(reml.mod, method="ML")
> l.B <- logLik(ml.mod)
> l.0 <- logLik( lm([EMAIL PROTECTED] ~ 1) )
> Rsq <- 1 - exp( - ( 2/length([EMAIL PROTECTED]) ) * (l.B - l.0) )
> Rsq[1]
> }
>
> Hank
>
>
>
>
>> Hello allR
>> How to access R^2 from lme object?
>> or how to calculate it?
>> ( one detail: my model do not have a intercept )
>> thanks in advanced
>> Cleber
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