Bert, Good distinction...
For clarification, I was referring to the "whole object approach" versus an "object oriented" approach. Regards, Marc > On Apr 5, 2017, at 12:43 PM, Bert Gunter <bgunter.4...@gmail.com> wrote: > > ... Probably need to distinguish "whole object approach" from "object > oriented" approach. They are different and almost orthogonal in R. R > tutorials discuss such matters, and there are many good ones on the > Web, including the "Intro to R" tutorial that ships with R. The OP > should spend some time with one or more to learn more about this. This > list cannot provide such extended explanation. > > Cheers, > Bert > > > Bert Gunter > > "The trouble with having an open mind is that people keep coming along > and sticking things into it." > -- Opus (aka Berkeley Breathed in his "Bloom County" comic strip ) > > > On Wed, Apr 5, 2017 at 10:28 AM, Marc Schwartz <marc_schwa...@me.com> wrote: >> >>> On Apr 5, 2017, at 11:34 AM, Tunga Kantarcı <tungakanta...@gmail.com> wrote: >>> >>> Thanks a lot Marc, for informing that R is object oriented, implying >>> that one should always try to vectorise the code (although I am not so >>> clear why this should be the case) but also for all the references you >>> provide. >> >> >> >> Hi, >> >> The reason for taking an object oriented approach using vectorized code, is >> that frequently, the R code that you write is internally calling compiled C >> code to perform the actual iterations over the object structure. Thus, being >> that compiled C code is much faster than interpreted R code, there is >> significant efficiency to be achieved by taking an object oriented approach >> to key operations. >> >> In addition, when used, a single line of vectorized code and/or a vectorized >> function can replace multiple lines of code in a different language. Thus, >> from a coding efficiency and readability standpoint, it is far more >> efficient. >> >> Regards, >> >> Marc >> >> ______________________________________________ >> R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see >> 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 -- To UNSUBSCRIBE and more, see 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.
