Marc Schwartz a écrit : > What version of R are you using? You did not indicate this in your post > as you are asked to do in the posting guide.
I apologize for that, I use Version 2.0.1 > In R version 2.1.0, a matrix method was added to the subset() function, > so I am guessing that you are several versions out of date. Please > upgrade to the latest version, which is 2.2.0, where you will get: > >>subset(m, m[, 2] >= 5) > > [,1] [,2] [,3] [,4] > [1,] 2 5 8 11 > [2,] 3 6 9 12 So, I will upgrade, thanks. > Also, you do not need the semi-colons at the end of each line. They are > only generally used if you wish to place more than one R statement on a > single line. I'm an old C programmer ... and it's an old (good) behavior. Without semicolons at the end of lines I feel naked like a worm in the desert. (I'll keep them). Thanks for your kind help. Vincent ______________________________________________ [email protected] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
