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Is there a c++ equivalent switch statement in R? -- Rajesh.J [[alternative HTML version deleted]]

Hi, I need to check if a string "<rh>a,b,c,d<rh>" is delimited by two "<rh>" 's as efficiently as possible(I need to do this a lot of times) and return TRUE. Can someone suggest a good technique? [[alternative HTML version deleted]]

Stupid question, but its been a long night. If I have a long vector how can I turn it into a list of the same length x<-rep(seq(1,100,by=1),each=10) [[alternative HTML version deleted]]

I am trying to get documentation about the random number generator used in "sample". The help for sample does not mention it. Can anyone point me in the right direction. Thanks [[alternative HTML version deleted]]

REXP has an asBytes() method. Will this capture the output of an R plot function if a proper graphics device is used? It appears R insists on sending plot output to a file. Kind of strange since it insists on loading all your data into memory before it can do anything. If so then does anyone know what this would be? I prefer png or jpeg. Example: c is an RConnection REXP r =

Hi folks, Maybe that is not the best place to ask, but I 'd like some of you could help me... I'm using jri to run R commands under Java, by its examples I can eval expressions, returning single values or vectors to my Java variables. But, I would like to know how to assign the values of a Java vector (like: double x[] = {1.7 , 2.8 , 3.4}; ) to a R variable, so I can eval a function

Hello, I get a value which stores a relative file name. (I get it from another function, which I don't want to change.) e.g. > fileName <- "../data/2010-08.csv"; Is it possible to get the absolute file path out of this value? (e.g. /home/sebastian/documents/data/2010-08.csv) Kind regards, Sebastian

Hello All, A simple question. I get some return from the R in my C++ program (via Rcpp package). The result come, as SEXP and it should be a simple numeric variable. How to convert it to double? The code, what i use: stringstream ss; ss << "p <- predict(fit_ar11, n.ahead = 2, doplot=FALSE);" << "p$pred[1]"; SEXP ans; int iRet =

Hi, I built a package in linux and would like to use it in windows. I cant build the package again in windows because it would miss the necessary libraries etc(I'm using Rcpp). So I need to generate a binary version and try to install it in windows. I tried this and I get the error /cygdrive/RTools/bin/cp: target 'xf->>' is not a directory Can someone help me with this? --

Dear list, I wish to use a specific driver to process an sweave document in the inst/doc directory of a package. Specifically, I would like to use either cacheSweave or pgfSweave to speed up the creation of the vignette which requires lengthy computations. The same request would also apply to the highlight driver, to provide syntax highlighting of R chunks. In "writing R extensions" I

Dear list, I wish to use a specific driver to process an sweave document in the inst/doc directory of a package. Specifically, I would like to use either cacheSweave or pgfSweave to speed up the creation of the vignette which requires lengthy computations. The same request would also apply to the highlight driver, to provide syntax highlighting of R chunks. In "writing R extensions" I