[R] in par(mfrow=c(1, 2)), how to keep one half plot static and the other half changing

plot is overwritten by plot(dx,dy). Is there anyway to keep the left side intact while changing plots on the right side? Thanks a lot! Baoqiang __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the pos

[R] lm on matrix data

iny ~ trainx[,1] + trainx[,2] + .. +trainx[,220]. Any help, please? Best, Baoqiang __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and prov

Re: [R] tm package: problem of TermDocumentMatrix and minWordLength

try this: dtm <- DocumentTermMatrix(examplecorpus, control = list(wordLengths=c(1,100))) On Wed, May 16, 2012 at 6:22 AM, C.H. wrote: > Dear All, > > The following code illustrate the problem. > > [R code] > require(tm) > exampledoc <- c("R is good", "R is really good") > examplecorpus <- Corp

Re: [R] help

Package "mutoss" seems have Bonferroni correction. Sent from my iPhone On May 15, 2012, at 9:34 AM, 杨秀芬 wrote: > To whom this may concern, > > I have been learing R software. Recently when I did the analysis of the > associaiton of SNPs and disease, I have met one problem with Bonferroni > cor

Re: [R] file path

This works on Mac: str <- "abc/d" gsub("/", "", str) Return: "abcd" Sent from my iPhone On May 14, 2012, at 4:28 AM, Wincent wrote: > Thanks for the suggestion. The file name in my case is Chinese, which > makes the regular expression less useful. > > Anyway, I would like to pose a followup

[R] error while install RCurl

011 month 04 day13 svn rev55427 language R version.string R version 2.13.0 (2011-04-13) Any help, please? Baoqiang __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the post

Re: [R] about spearman and kendal correlation coefficient calculation in "cor"

Thank you very much Thomas! I indeed learned a lot. Baoqiang On Tue, 2011-05-17 at 09:46 +1200, Thomas Lumley wrote: > } __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://ww

[R] about spearman and kendal correlation coefficient calculation in "cor"

accord=accord+1 } else if ((target[i] > target[j]) && (experi[i] > experi[j])) { disaccord=disaccord+1 } } } > (accord-disaccord)/(N*(N-1)/2) [1] -0.2181818 This is also different with from "cor", which is 0.183. Anybody could help me out explaining the right

[R] help on compare two ranks

wilcox.test but still a bit confused of how to compare the two ranking against the true ranking. Any advice will be highly appreciated. I apologize if this is a too statistics question. Thanks in advance. Baoqiang __ R-help@r-project.org mailing list

[R] use pcls to solve least square fitting with constraints

uldn't find any solution, any help and/or advice will be highly appreciated! Baoqiang __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html an

Re: [R] how to know if a file exists on a remote server?

o there is a lot of > checking to do > to make bullet proof code that downloads files. > > > > > > On Tue, Nov 30, 2010 at 3:16 PM, Baoqiang Cao wrote: >> >> Hi Georg, >> >> Your code does work, I mean, it doesn't give me any error message, >

Re: [R] how to know if a file exists on a remote server?

derfunction = h$update) h$value()[['status']] If the status is 404, then not found. If exists then status should be 200. " What a productive day! BC On Tue, Nov 30, 2010 at 1:34 PM, Georg Ruß wrote: > On 30/11/10 10:10:07, Baoqiang Cao wrote: >> I'd like to down

Re: [R] how to know if a file exists on a remote server?

ALSE, ftplistonly = TRUE, crlf = > TRUE) > filenames = paste(url, strsplit(filenames, "\r*\n")[[1]], sep = "") > con = getCurlHandle( ftp.use.epsv = FALSE) > contents = sapply(filenames[1:5], getURL, curl = con) > names(contents) = filenames[1:length(contents)] &g

Re: [R] how to know if a file exists on a remote server?

coerced into a data.frame that will look like a directory structure > listing the file names. > > If you need code just ask, but the RCurl docs are pretty good. > > > > On Tue, Nov 30, 2010 at 8:10 AM, Baoqiang Cao wrote: >> >> Hi, >> >> I'd l

[R] how to know if a file exists on a remote server?

Hi, I'd like to download some data files from a remote server, the problem here is that some of the files actually don't exist, which I don't know before try. Just wondering if a function in R could tell me if a file exists on a remote server? I searched this mailing list and after read severals m

[R] problem with catching error message in open function

he error from the "open" function? I'd like the program not being halted when the bad connection happens. Any help please? Best, Baoqiang __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read th

[R] function as.dist failed on large matrix on 64bit machine

o some clustering analysis. The machine is 2Gb memory 64bit Linux, and I also failed on a 16Gb memory 64bit Linux. Is there anyway that I can get around it? Or how large is the limitation on my machine? Thanks in advance. Best, Baoqiang __ R-