Hello all. Today, I posted a question on stackoverflow.com, but I was advised to ask the question through this mailing list.
So, here is the verbatim question from SO (http://stackoverflow.com/questions/5991314/basic-documentation-for-rcpp): I want to look into rcpp to improve the speed of some of my R code without having to resort to messy C++ code (I've had some success with that, but it looks like code from hell). So, I checked the documentation provided with Rcpp, and also the bundle of documents provided at <http://dirk.eddelbuettel.com/code/rcpp.html> Dirk Eddelbuettel's site. I installed and looked at RcppExamples, but (at least from its documentation) most of these refer to RcppClassic?. Besides that, I did some googling but that didn't result in answers to what seem like basic questions. . Do indexes in Rcpp work zero-based or one-based . List provides both operator() and operator[], but apparently not operator[[]]. It is not clear which ones are similar to [] and [[]] in R. . Is there any support for factors in Rcpp (there does not appear to be any)? Note: in fact I found some answers from the first example in Rcpp-introduction.pdf, but that just felt like luck. Also, my stl is very rusty, so if anybody can provide me with a simple example where each element of a List is (e.g.) print-ed with an stl-style loop, that would be neat. If anybody wants to call me an idiot for not finding this information: go ahead and make your day. Then make mine and point me to the docs I need :-) As a suggestions to Mr. Eddelbuettel and other Rcpp authors (I expect some of them to read this): the class hierarchies and the like, provided by doxygen, are really neat when you are already kneedeep into Rcpp, but for a beginner (in Rcpp), I am more interested in a list of 'this method in this class does this like that function in R' rather than 'you can find the declaration of this operator in this header file'. After all, I understand one of the goals of Rcpp is to lower the threshold for using C++ in R? Note: from what I have seen and understood, I highly value the actual code of Rcpp and have the highest respect for its creators. If the lack of basic documentation is merely a result of 'lack of resources', I would be willing to become a resource (e.g.: work on 'basic' documentation once I get through it myself). Nick Sabbe -- ping: nick.sa...@ugent.be link: <http://biomath.ugent.be/> http://biomath.ugent.be wink: A1.056, Coupure Links 653, 9000 Gent ring: 09/264.59.36 -- Do Not Disapprove
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