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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? --