Start with "Writing R Extensions", part of the free documents that come with R. Much of what you ask is covered in there. After reading that, then you can look for the other resources.
-- Gregory (Greg) L. Snow Ph.D. Statistical Data Center Intermountain Healthcare greg.s...@imail.org 801.408.8111 > -----Original Message----- > From: r-help-boun...@r-project.org [mailto:r-help-boun...@r- > project.org] On Behalf Of alaios > Sent: Wednesday, October 06, 2010 9:44 AM > To: r-help@r-project.org > Subject: [R] Looking for a book/tutorial with the following context: > > > Hello everyone. > It is time to start writing more and more function and I want to read > in a > good reference > -book ( I can buy one, especially if it is second handed :P) > -online tutorial > -any other guide > > -How functions really work in R > -How to write bigger R programs > -If there are local function variables. > -Global ones and how to treat them > -How to include function files in order to keep your all increasing > code > into separate files > -How to debug an R program step by step. > -How to print debugging messages. > > I would like to thank you in advance for your help > > Best Regards > Alex > -- > View this message in context: http://r.789695.n4.nabble.com/Looking- > for-a-book-tutorial-with-the-following-context-tp2965206p2965206.html > Sent from the R help mailing list archive at Nabble.com. > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting- > guide.html > and provide commented, minimal, self-contained, reproducible code. ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.