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> From: Thomas Lumley [mailto:tlumley at u.washington.edu] > > Please don't send these messages to r-announce. r-announce is for > announcements. Isn't r-announce supposed to be moderated? I posted to r-announce about a minor update...

> From: Uwe Ligges [mailto:ligges at statistik.uni-dortmund.de] > > Ercan971 at aol.com wrote: > > > > How can I find the Fracpoly-Package? > > Thanks!! > > I don't know of any "fracpoly" package in R. There is a set > of S(-PLUS...

Lists in the S language are like vectors, so length(mylist) would tell you how many components there are in mylist. Beware, though, that lists can well be nested... Andy > From: Vumani Dlamini > > Dear R-users; > > I am interested in...

mydata <- mydata[sample(nrow(mydata)), ] Andy > From: Andreas > > Hello, > > is there any function to randomize the order of rows in > matrix. My dataset > for suport vector mashines is in the order first the samples > of class1 and > then the samples...

No. I've dealt with .RData files in excess of 1GB several times. The limit is likely with your hardware, which you did not specify. Andy > From: Mike Jones > > Is there a limit to this? I'm working with a...

Hi all, Does anyone have experience with the ClearSpeed hardware (see http://www.cleearspeed.com <http://www.cleearspeed.com> )? Any idea whether R can benefit from such hardware (say with distributed computing packages such as snow, Rpvm, Rmpi, etc.)? Best...

That sounds like one of Jim Lindsay's packages, for which there's link on CRAN to his web page. They are not on CRAN. Andy > From: Spencer Graves > > The search at www.r-project.org mentioned a function > "gauss...

See ?set.seed. Andy > From: Clark Allan > > hi all > > a simple question > > i want to run simulations in r. i however want the experiments to be > repeated at a later time with exactly the same numbers by other users. > can...

Just want to point out what seems to be a typo in R-admin.texi (still there in R-devel snapshot of 2004-06-24). Line 1698 of R-admin.texi probably should read: @section Java Virtual Machines on Mac...

> From: Christian Schulz > > Hi, > > i try several possibilities adn looking in the archive, > but didn't getting success to install j.lindsey's usefuel "library > repeated" on my linux (suse9.0 with kernel 2.6.7,R.1.9.1...

See ?paste, e.g., > char <- c("a", "b", "c") > paste(char, collapse="") [1] "abc" Andy > From: Matthieu Cornec > > Hello, > > I would like to convert c("a","b","c") into "abc". > Anyone could help? > Thanks, > > Matthieu Cornec > > ______________________________________________ > R-help at stat...

The predict method for locfit object (in the `locfit' package) can do this. For details, see Loader's book. HTH, Andy > From: Z P > > Dear all, > > Is there any package or function can do the pointwise > confidence interval > and confidence...

Need to wrap the xyplot() in print(), as in print(xyplot(...)) Andy > From: Dr. Peter Schlattmann > > Dear all, > > I am trying to use xyplot inside a function > > plotme<-function(dataframe) > { > xyplot(x~y|z,data=dataframe) > } > > x,y,z are...

http://finzi.psych.upenn.edu/R/Rhelp02a/archive/14493.html Andy > From: Omar Lakkis > > How to trim the leading and trailing white space off of a string? > > If the variable is " E " I need to convert it to "E". > > ______________________________________________ > R...

read.table("datafile", colClasses=c("NULL", "numeric"), ...) or something like that. Andy From: mark salsburg > > How do I manipulate the read.table function to read in only > the 2nd column??? > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help at stat.math.ethz...

I suppose here's one way: > hasChar <- function(x, y) { length(grep(x, y)) > 0 } > hasChar("a", "abcd") [1] TRUE > hasChar("e", "abcd") [1] FALSE Andy > From: Terry Mu > > like: > > "a" %in% "abcd" > TRUE > > Thanks. > > ______________________________________________ > R-help at stat.math...

r[order(o)] seems to work alright... Andy > From: Wolfram Fischer > > I have: > > d <- sample(10:100, 9) > o <- order(d) > r <- d[o] > > How I can get d (in the original order), knowing only r and o? > > Thanks - Wolfram...

From: Bill Vorias > Is there an Interaction function in the Random Forest > algorithm in the current version of R? No (at least not in the randomForest package). Prof. Breiman regarded that feature as "experimental", and said he wouldn't mind...

Please follow the instructions in readme.packages very, very, very, very carefully. Andy > From: Yev Kirpichevsky > > Thanks to everyone who responded to my 'Perl' problem! > Indeed, it wasn't > in the Path. > > I now have a different problem and would...

See ?tolower and ?nchar. Andy > From: Terry Mu > > Hello, > > for now, I need to transform "A" to "a", and need to know > length of "ABC", etc. > > Please show me a starting point for character string functions. > > Thank you. > > ______________________________________________ > R-help...