search for: effieciency

Dear Listmembers, I'm trying to fill up a dataframe depending on an arbitrary list of references: Here is my code, which works: dat <- data.frame(c(60001,60001,60050,60050,60050),c(27,129,618,27,1579)) LR <- sort(unique(dat[,1])) LC <- sort(unique(dat[,2])) m <- as.data.frame(matrix(data=NA, nrow=length(LR), ncol=length(LC), dimnames=list(LR,LC))) for(i in 1:nrow(dat)){

Hello, I have never used source and I am a R beginner. If I have text file that contains 1,000's of lines of code. Can I use source to bring this code into R and execute the code? Does it run the code one line at a time? Is there a best way to setup source() for maximum effieciency? After reading ?source() would I just do: source("my_Rcode.txt") Thanks, Michael [[alternative HTML version deleted]]

Hello, ? Are there some basic things one can do to speed up a R code? I am new to R and currently going through the following situation. ? I have run a R code on two different machines. I have R 2.12 installed on both. ? Desktop 1 is slightly older and has a dual core processor with 4gigs of RAM. Desktop 2 is newer one and has a xeon processor W3505 with 12gigs of RAM. Both run on Windows 7. ?

Dear Asterisk Community, I would like to offer my most humble apology for the enormous stream of mail messages currently battering at your mailboxes. I was honestly trying to help a worthy cause. Please blame me and only me. Neither Russell nor Josh are at all to blame for this. Nor, for that matter, is Olle. I am the guilty party. Please direct all anger/outrage/hatred/etc. towards

Hi Brian and Uwe, Given my package passes all checks but I have received no further responses since your initial reply, I assume you are no longer interested in the package Rigroup-0.84.0. Your concerns about my chosen license being too vague "GPL | LGPL" is in direct contradiction to what your own documents say about not changing your license after a package has been accepted at CRAN.

Hi All, I''ve just built an 8 disk zfs storage box, and I''m in the testing phase before I put it into production. I''ve run into some unusual results, and I was hoping the community could offer some suggestions. I''ve bascially made the switch to Solaris on the promises of ZFS alone (yes I''m that excited about it!), so naturally I''m looking