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...ntly ``it'' wants .Platform$GUI to be equal to "AQUA", but it is (under the circumstances) "X11". Trying to open a device using x11() simply results in an error. Is there any way to get a working on-screen graphics window under these circumstances? I am very much hand-cuffed by the officious ITS policies here as to what I can install on my Mac. (Effectively, nothing.) ``cheers'' (Hah!), Rolf Turner r.turner at auckland.ac.nz ##################...

I am using R to do a loess normalisation procedure. In 1.5.1 I used the following commands to normalise the variable "logratio", over a 2d surface (defined by coordinates x and y): > array <- read.table("121203B_QCnew.txt", header=T, sep="\t") > array$logs555<-log(array$s555)/log(2) > array$logs647<-log(array$s647)/log(2) >

...39;') is not. Actually, for this sort of problem, I prefer Minitab to SAS. It has the same sytax as SAS, and is much more user-friendly. Aside from that, R/Splus wins. I find data manipulation far ***easier*** in R than in SAS. SAS had ***one*** data structure: The data frame. You are hand-cuffed into it, and all manipulations must be contorted to fit this structure. In R/Splus, the sky's the limit. The flexibility of R/Splus puts the user in control, and if the syntax gets unweildy, you can roll your own function to turn a complex command into a single word. It bears repeating th...