On Wed, Oct 6, 2010 at 9:04 PM, Jeffrey Spies <jsp...@virginia.edu> wrote: > Hi, Michael, > > When I teach/preach on R, I emphasize the language's focus on data, > both in its objects and operations. It might seems basic, but it's > fundamental to most of the features you and others have mentioned. As > a statistical programming language, what we intend to do with R is > often very naturally accomplished using vector operations on tabular > data, where columns represent variables of the same data type and rows > represent observations of these variables for a given member of the > dataset. Fortunately, these are core components of R. For instance, > we can easily perform complex selections of variables and/or members, > which, more often than not, serve as input to or power the functions > that generate the statistics and graphics we care about. > Unfortunately, vector operations seem to be difficult for people to > learn how to use properly, and there are penalties for not using them, > but as they say: no pain, no gain. :) > > If you'd be willing to share the materials you create for your talk, > I'd be interested in seeing them.
I would also be interested in seeing your presentation, if you are comfortable sharing (actually I'd love for you to come out to my department and present it, but...) Josh > > Cheers, > > Jeff. > <snip> -- Joshua Wiley Ph.D. Student, Health Psychology University of California, Los Angeles http://www.joshuawiley.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.
