On Mon, 14 May 2007, Henrik Bengtsson wrote: > On 5/14/07, Prof Brian Ripley <[EMAIL PROTECTED]> wrote: >> >> > Hi Henrik, >> >>>>>> "HenrikB" == Henrik Bengtsson <[EMAIL PROTECTED]> >> >>>>>> on Sun, 13 May 2007 21:14:24 -0700 writes: >> > >> > HenrikB> Hi, >> > HenrikB> I've got a version of rowMedians(x, na.rm=FALSE) for >> matrices that >> > HenrikB> handles missing values implemented in C. It has been
[...] >> Also, the 'a version of rowMedians' made me wonder what other version >> there was, and it seems there is one in Biobase which looks a more >> natural home. > > The rowMedians() in Biobase utilizes rowQ() in ditto. I actually > started of by adding support for missing values to rowQ() resulting in > the method rowQuantiles(), for which there are also internal functions > for both integer and double matrices. rowQuantiles() is in R.native > too, but since it has much less CPU milage I wanted to wait with that. > The rowMedians() is developed from my rowQuantiles() optimized for > the 50% quantile. > > Why do you think it is more natural to host rowMedians() in Biobase > than in one of the core R packages? Biobase comes with a lot of > overhead for people not in the Bio-world. Because that is where there seems to be a need for it, and having multiple functions of the same name in different packages is not ideal (and even with namespaces can cause confusion). -- 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@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
