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There are some interesting comments re Paul Murrell's new book, R, & SAS on Andrew Gelman's blog: http://www.stat.columbia.edu/~cook/movabletype/archives/2005/04/a_new_book_on_r.html -- Tony Plate

There looks to be a typo in the R-exts manual: The whose @file{tests} is copied to the check area, ... ^^^^^ I'm not sure what was intended here, so I can't suggest a fix. (from https://svn.r...

Apologies for the cross post. I explicitly tried to avoid this but somehow r-help got tacked onto the end of the To: line without my realizing it. -- Tony Plate Tony Plate wrote: > [following on from a thread on R...

I just do as.integer(NA), as.numeric(NA), as.character(NA), etc. -- Tony Plate On 5/5/2010 11:57 AM, Hadley Wickham wrote: > Hi all, > > Is there an existing function that provides the correct type of > missing value...

Try something like one of these (as documented in ?formatC) > formatC(13, flag="0", width=10) [1] "0000000013" > sprintf("%010g", 13) [1] "0000000013" > Anh Tran wrote: > Hi, > What's one way to convert an integer to a string with preceding...

You can remove everything but specified objects using setdiff() > a <- 1 > b <- 2 > c <- 3 > objects() [1] "a" "b" "c" > rm(list=setdiff(objects(), "a")) > objects() [1] "a" > -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik...

The 'abind' function in the 'abind' package is a generalized binding functions for arrays. (I've never tried it with tables.) At Monday 04:36 AM 12/13/2004, BXC (Bendix Carstensen) wrote: >[...snip...] >The last step is necessary in...

Tony Plate wrote: > [snip] > > Maybe the following sentence might be a useful addition to the "Details" > or "Notes" section of the help page for detach?: > To detach() and reattach() a package you will probably need to use > unloadNamespace("somePackage") after...

slice.index() in base On 4/2/2013 6:36 AM, Enrico Bibbona wrote: > Is there any function that extends to multidimentional arrays the > functionalities of "row" and "col" which are just defined for matrices? > Thanks, Enrico Bibbona > > [[alternative HTML...

Christoph Lehmann wrote: > Hi > The result of a summary(as.factor(x)) (see example below) call is sorted > according to the factor level. How can I get the result not sorted but > in the original order of the levels in...

From memory, the "RUnit" package (by Burger, Juenemann and Koenig) does some source code analysis to provide some statistics regarding tests and source code (but I don't remember seeing anything to compute complexity metrics in there.) -- Tony At Monday...

At Wednesday 10:09 AM 9/29/2004, I wrote: >[snip] >So, I think the evidence is pretty strong that unique(x) will always >return elements in the same order as they first appear in x. But it would >be...

At Thursday 11:29 AM 10/7/2004, Dan Bolser wrote: >[snip] >I just added some pages... I think it would be great if people could get >motivated to contribute to something like this. Its one of those cases of...

I've wondered about this sort of thing too. Are there any successful models like this for other program languages/systems? -- Tony Plate Ben Bolker wrote: > Has anyone considered a bounty system for R? > (i.e., some kind of system...