On Sun, 9 Jul 2006, Daryl Manning wrote: > Apologies if this is in (one of the many) manuals somewhere... Trying > to switch to R from other stats programs. > > Basically, I have a large data table I've dumped from a DB, some of > the values which are nulls '-' which I've converted to zeros. I've > read it in using read.table fine. > > I want R to ignore the zero values when graphing or doing various > other calculations. > > Is there a way to do this ? > > I did try to use NA but kept getting errors that x must be numeric.
Did you use numeric NA? That is the way to so this, so you will need to give a reproducible example (as the posting guide asks). -- 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
