similar to: How to select rows with identical index from two matrix?

Hi all, After running this code (attaches is the input file): dat <- read.table("gene_prob.txt", sep = "\t") n <- length(dat$V1) print(n) print(dat$V1) I get this print out. ...... [8541] LOC552889 GPR15 SLC2A11 GRIP2 SGEF [8546] PIK3IP1 RPS27 AQP7 8548 Levels: 3.8-1 A2M A4GALT A4GNT AAAS AAK1 AAMP AANAT AARSD1 AASS ...

R-users, I have the following piece of code which I am trying to run on a dataframe (aga2) with about a half million records.  While the code works, it is extremely slow.  I've read some of the help archives indicating that I should allocate space to the p1 and ags1 vectors, which I have done, but this doesn't seem to improve speed much.  Would anyone be able to provide me with advice on

Dear R users, Basically, from the following arbitrary data set: a <- data.frame(id=c(c("A1","A2","A3","A4","A5"),c("A3","A2","A3","A4","A5")),loc=c("B1","B2","B3","B4","B5"),clm=c(rep(("General"),6),rep("Life",4))) > a

Sorry, maybe it's easy but I haven't found anything useful: how can I obtain a list C that contains all the members in the list B that are not in list A? This are lists of nanes, not numbers! Thank you Gabriele Zoppoli, MD Ph.D. Fellow, Experimental and Clinical Oncology and Hematology, University of Genova, Genova, Italy Guest Researcher, LMP, NCI, NIH, Bethesda MD Work: 301-451-8575

Hello I'm using mandrake 9.2 with wine. After many hour of playing around... I was able to get lotus notes to work. But when I start notes... it doesn't login to my user or ask me for my password. This is what I get in the shell fixme:console:SetConsoleCtrlHandler ((nil),0) - no error checking or testing yet fixme:console:SetConsoleCtrlHandler (0x601a93c0,1) - no error checking or