[R] [Q] BIC as a goodness-of-fit stat

Vincent Zoonekynd zoonek at gmail.com
Wed Mar 8 22:24:42 CET 2006

The following article gives some motivations for the BIC and
some rules to interpret a difference of BICs (if I recall correctly,
over 10: very strong difference, between 6 and 10: strong
difference, between 2 and 6: some difference):

  A.E. Raftery, Bayesian model selection in social research


-- Vincent

On 06/03/06, Young-Jin Lee <youngjin.michael at gmail.com> wrote:
> Dear R-List
> I have a question about how to interpret BIC as a goodness-of-fit statistic.
> I was trying to use "EMclust" and other "mclust" library and found that BIC
> was used as a goodness-of-fit statistic.
> Although I know that smaller BIC indicates a better fit, it is not clear to
> me how good a fit is by reading a BIC number. Is there a standard way of
> interpreting a BIC value?
> Thanks in advance.
>         [[alternative HTML version deleted]]
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