hits=-2.6 tests=BAYES_00 X-USF-Spam-Flag: NO On Fri, 2008-02-01 at 16:20 +0100, [EMAIL PROTECTED] wrote: > Full_Name: Anne CORI > Version: 2.6.1 > OS: windows > Submission from: (NULL) (134.157.220.19) > > > let A be a mtrix with n lines and p columns, p>36 ; > > matplot(A) will only draw the plot of the first 36 columns of A. > > This is due to a bug in the definition of pch in the function : > > pch <- c(paste(c(1:9, 0)), letters)[1:k]
You need this here, the issue is that the default is only length 36 and you aren't warned if you have more variables than that *if* you rely upon the default and don't specify pch in you call to matplot. This works fine for example: dat <- matrix(rnorm(400), ncol = 40) matplot(dat, pch = c(paste(1:9, 0, letters, LETTERS))) > > should be replaced by > > pch <- c(paste(c(1:9, 0)), letters) That won't help. The vector, pch, will get recycled so you won't be able to tell the difference between vars 1,2,3 etc and 37,38,39 etc. (See the series of if(length(.....) < k) statements towards the end of the function definition for matplot. This is working as documented, although one might consider it an infelicity in the implementation that it doesn't warn you that k is > 36 and suggest you pass your own set of plotting characters. G > > I hope this is clear, > > All the best, > > Anne > > ______________________________________________ > R-devel@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-devel -- %~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~% Dr. Gavin Simpson [t] +44 (0)20 7679 0522 ECRC, UCL Geography, [f] +44 (0)20 7679 0565 Pearson Building, [e] gavin.simpsonATNOSPAMucl.ac.uk Gower Street, London [w] http://www.ucl.ac.uk/~ucfagls/ UK. WC1E 6BT. [w] http://www.freshwaters.org.uk %~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~% ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
