On Fri, 7 Oct 2005, Patrick Burns wrote: > If there weren't an analytic solution to your problem, > then you could build a vector of the answers from 1 > to the maximum in the matrix. Call that 'wtvec'. Then: > > ans <- array(NA, dim(A), dimnames(A)) > ans[] <- wtvec[as.vector(A)] > > should get you what you want.
Well, we don't actually know 'count' is >= 1. I almost suggested this, but suppose the counts were in billions? It's a good solution for a small set of continguous values. If there is a small set of values, do a two-step lookup using e.g. match to find the enumeration of the values. -- 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-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html