On Mon, 1 Mar 2004 [EMAIL PROTECTED] wrote: > Help page for boxcox function in MASS library says that > the transformation is y^lambda, which is different from > the Y' = log(Y) if lambda = 0 , > Y' = ((Y ^ lambda) - 1)/lambda otherwise I'm used to. > > Is this just a help page typo ?
No. It makes no difference to the profile log-likelihood which is what boxcox() computes. It looks to me as if you failed to consult the reference. MASS is support software for a book, and the book has the complete details. (This is in the posting guide.) -- 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 ______________________________________________ [EMAIL PROTECTED] mailing list https://www.stat.math.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
