mm <- matrix(1:9, nrow=3) ; mm subset(mm[,1],mm[,1] <3) # Note I used 3 not 2 here.
Have a look at some of the introductory documents on the R site ( Contributed documents under OTHER in the documentation). They should answer a lot of your basic questions like this. Documents by Lemon, Maindonald and Verzani are good places to start. Also the Introduction to R is useful. --- Yann Mauon <[EMAIL PROTECTED]> wrote: > > Hello, > > I'am new to the R world and have a lot of question > but the first is : How to > deal with <> opertor in table objects? (Or how to > deal with <> in > general...) I explain my problem. > > I read a file with the read.table expression. I then > obtain a matrix. I read > the first line for example with the commande > data[,1]. Then I would like to > select only the element in this line that are > greater than 2. Is there an > elegant way to achieve that ? > > Thanks by advance... > -- > View this message in context: > http://www.nabble.com/Operator-%3E-and-%3C-tf4141869.html#a11781567 > Sent from the R help mailing list archive at > Nabble.com. > > ______________________________________________ > 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 > and provide commented, minimal, self-contained, > reproducible code. > ______________________________________________ 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 and provide commented, minimal, self-contained, reproducible code.