Duncan Murdoch <[EMAIL PROTECTED]> writes: > On Thu, 19 Feb 2004 08:45:01 -0500, Michael Friendly > <[EMAIL PROTECTED]> wrote :
> >That will generate only approximately the same means and MSE, however. > > > >Larsen's procedure generates a weighted data set that gives the same > >ANOVA table > >as the raw data, but requires that the weight= argument be used in aov(). > >(weights are not supported in all related functions) > > Are you sure about that? I think the call to "scale()" makes them > come out identical. > > In fact, the call to rnorm() is unnecessary; it would work just as > well with > > y <- cell.mean + cell.sd * scale(1:cell.count) > > (unless I'm missing something...) I don't think so, but residual plots etc. look better with the rnorm() variant... -- O__ ---- Peter Dalgaard Blegdamsvej 3 c/ /'_ --- Dept. of Biostatistics 2200 Cph. N (*) \(*) -- University of Copenhagen Denmark Ph: (+45) 35327918 ~~~~~~~~~~ - ([EMAIL PROTECTED]) FAX: (+45) 35327907 ______________________________________________ [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
