> R does not have a BIC S3 generic function: it is in package nlme! > (There is one for S4 classes in package stats4.)
Sorry, I should have noticed that. Maybe my question should have been: Since the stats package has generics for logLik and AIC, could it include a generic for BIC? Kevin Wright >> I'm using R 2.0.1. >> >> I looked in the email archives but didn't see anything on this topic. >> >> I've noticed a surprising (to me) difference between AIC and BIC: >> >>> methods("AIC") >> [1] AIC.default* AIC.logLik* >> >>> methods("BIC") >> [1] BIC.gls* BIC.lm* BIC.lme* BIC.lmList* BIC.logLik* BIC.nls* >> >> The BIC.gls BIC.lm BIC.lme BIC.lmList and BIC.nls functions appear to >> have >> exactly the same definition. (I didn't check with 'diff' though.) >> >> Would it make sense to treat BIC similarly to AIC and have just >> BIC.default and BIC.logLik? > > -- > Brian D. Ripley, [EMAIL PROTECTED] > Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/ > University of Oxford, Tel: +44 1865 272861 (self) > 1 South Parks Road, +44 1865 272866 (PA) > Oxford OX1 3TG, UK Fax: +44 1865 272595 > ______________________________________________ R-devel@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-devel