Hi there is not much to evaluate what you actually want
mymatrix[1,2] <- NA changes respective value in row1 and col2 to NA or which(is.na(mymatrix), arr.ind=T) gives you positions of NA in mymatrix. HTH Petr On 21 Sep 2005 at 20:07, MK wrote: > > > No virus found in this outgoing message. > Checked by AVG Anti-Virus. > > ______________________________________________ > 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 Petr Pikal [EMAIL PROTECTED] ______________________________________________ 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
