Re: [R] cannot dyn.load dll from path

2012-01-19 Thread Adrian Dragulescu
an On Thu, 19 Jan 2012, Duncan Murdoch wrote: On 19/01/2012 11:19 AM, Adrian Dragulescu wrote: Hello, I'm on Windows, and according to the documentation R searches along the search path when looking for dll's for dyn.load. For illustration, I've copied the

[R] cannot dyn.load dll from path

2012-01-19 Thread Adrian Dragulescu
Hello, I'm on Windows, and according to the documentation R searches along the search path when looking for dll's for dyn.load. For illustration, I've copied the XML.dll from package XML in the C:/Temp folder if (file.exists("C:/Temp/XML.dll")) { Sys.setenv(path = paste("C:/Temp;", S

Re: [R] Help on write.xlsx library(xlsx)

2010-09-07 Thread Adrian Dragulescu
Hi, append=TRUE is supposed to work for appending new sheets to an existing spreadsheet. That is the most common use. I'll improve the documentation of write.xlsx. If you want to append to an existing sheet, you have two choices: 1) remove the sheet first, and than write it again with the

[R] R mentioned in the Economist volume 394, number 8671

2010-02-28 Thread Adrian Dragulescu
There is a special report on managing information. See page 8. "A free programming language called R lets companies examine and present big data sets, and free software called Hadoop now allows ordinary pC to analyse huge quantities of data that previously required a supercomputer." http://

[R] R mentioned in the Economist volume 394, number 8671

2010-02-28 Thread Adrian Dragulescu
There is a special report on managing information. See page 8. "A free programming language called R lets companies examine and present big data sets, and free software called Hadoop now allows ordinary pC to analyse huge quantities of data that previously required a supercomputer." http://

Re: [R] Have you used RGoogleDocs and RGoogleData?

2009-12-10 Thread Adrian Dragulescu
blished<http://blog.revolution-computing.com/2009/09/how-to-use-a-google-spreadsheet-as-data-in-r.html> 2. if one only wants the first sheet (RGoogleData's downloadDocument()). Farrel Buchinsky Google Voice Tel: (412) 567-7870 Sent from Pittsburgh, Pennsylvania, United States On Thu,

Re: [R] Have you used RGoogleDocs and RGoogleData?

2009-12-10 Thread Adrian Dragulescu
Farrel, Please read the manuals. On the RGoogleData package page you can read: "The package provides R access to Google services through the Google supported Java API. [...] A package with very similar functionality is maintained by Duncan Temple Lang at \url{http://www.omegahat.org/RGoogleDo

Re: [R] puzzle using gsub (and encodings maybe)

2009-10-14 Thread Adrian Dragulescu
United States.1252;LC_NUMERIC=C;LC_TIME=English_United States.1252 attached base packages: [1] stats graphics grDevices utils datasets methods base On Wed, 14 Oct 2009, Prof Brian Ripley wrote: On Wed, 14 Oct 2009, Adrian Dragulescu wrote: charToRaw(x) [1] 4e 45 57 20 59 4f 52

Re: [R] puzzle using gsub (and encodings maybe)

2009-10-14 Thread Adrian Dragulescu
I get the same results (not working) using R 2.9.2 and R.10.0 beta. Thank you for looking at this. On Wed, 14 Oct 2009, Duncan Murdoch wrote: On 10/14/2009 1:41 PM, Adrian Dragulescu wrote: charToRaw(x) [1] 4e 45 57 20 59 4f 52 4b 20 ad 4e 45 57 20 45 4e 47 4c 41 4e 44 charToRaw(y

Re: [R] puzzle using gsub (and encodings maybe)

2009-10-14 Thread Adrian Dragulescu
, Adrian Dragulescu wrote: Hello, Below is some output that shows my issue. I have a variable x that I read from a file (more on this below) x [1] "NEW YORK NEW ENGLAND" gsub(" -", "-", x)# this does not work! [1] "NEW YORK NEW ENGLAND"

[R] puzzle using gsub (and encodings maybe)

2009-10-14 Thread Adrian Dragulescu
Hello, Below is some output that shows my issue. I have a variable x that I read from a file (more on this below) x [1] "NEW YORK NEW ENGLAND" gsub(" -", "-", x)# this does not work! [1] "NEW YORK NEW ENGLAND" Encoding(x) # is x in a special encoding? no [1]

Re: [R] List assignment in a while loop and timing

2009-03-31 Thread Adrian Dragulescu
Saptarhi, Here are some observations. It seems to me that your question is about assignment into long lists. 1) Initialize your list with a vector of NULLs. 2) If you can, try to use vectors rather then lists. It's faster by more than 30%. 3) If you get rid of the i <- i+1, you go even fas

[R] controlling the edge linewidth in Rgraphviz

2008-02-11 Thread Adrian Dragulescu
s a lot for any help. Adrian Dragulescu __ 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 provide commented, minimal, self-contained, reproducible code.

Re: [R] unable to install package ff

2007-11-03 Thread Adrian Dragulescu
data. Best, Adrian Dragulescu On 11/1/07, Matthew Keller <[EMAIL PROTECTED]> wrote: > > Hi all, > > I've had one of my most miserable R weeks in memory. I'm trying to > deal with huge datasets (>1GB each) but am running up against those > pesky memory limits. The