[R] negative AIC and BIC values in gls

[David Winsemius]

On Aug 22, 2012, at 5:17 PM, Jeremy Miles wrote:

> It's fine. Just interpret them as you would any other (lower is  
> better).
>

And it is the printed logLik that is out of step here. log-likelihoods  
_should_ be negative.

-- 
David.
>
> On 22 August 2012 16:43, Gary Dong <pdxgary163 at gmail.com> wrote:
>> Dear R users,
>>
>> I obtained negative AIC and BIC and positive Loglik values in a gls  
>> model.
>> Is this normal? how should I interpret them? Thanks!
>>
>>       AIC       BIC           logLik
>>  -659.978  -587.5541   345.989
>>
>> Best
>> Gary


David Winsemius, MD
Alameda, CA, USA