On Thu, Jul 31, 2014 at 9:47 AM, Duncan Murdoch <murdoch.dun...@gmail.com> wrote:
> On 30/07/2014, 2:20 PM, Yihui Xie wrote: > > As a reader, I often want to run the code by myself _while_ I'm > > reading a particular part of an article/report. I find it convenient > > to be able to copy the code as I'm reading it, instead of minimizing > > my current window, opening an R script, and running the part that I'm > > interested in. Of course, this may not work if the code I copy is not > > self-contained; your purl() approach certainly has an advantage > > sometimes. > > > > I do not see a whole lot of value in maintaining the same appearance > > of the R code in the R console and a report. You can teach your > > students what the prompt characters mean, and I think that is enough. > > Journal of Statistical Software requires "R> " as the prompt character > > (which is worse), and your students will probably be confused when > > reading JSS papers if they have been seeing the default prompts all > > the time. I see the point of keeping prompts (i.e. I do not completely > > disagree), but I do not think it is an essential or important thing to > > do. Personally I prefer reading "vanilla" code, and >/+ may confuse my > > eyes occasionally, e.g. > > > >> z > 5 > >> x + > > + y > > > > (More on prompts: > > http://yihui.name/en/2013/01/code-pollution-with-command-prompts/) > > > > Re Rich: yes, I'm aware of approaches of post-processing the prompts, > > but this problem would not have existed in the first place if we do > > not include prompts at all. I'm not sure if it makes much sense to > > create some mess and clean it afterwards. > > > > So your suggestion is that the R console should not prompt for input? > Do you know of *any* interactive system which doesn't prompt for input? > How would users be able to tell the difference between R waiting for > input, and R busy on the last calculation? > > I don't think that this is about prompts in interactive R, but when a document is knit, should the echoed code in the report have prompts or not. > Duncan Murdoch > > > > Regards, > > Yihui > > -- > > Yihui Xie <xieyi...@gmail.com> > > Web: http://yihui.name > > > > > > On Wed, Jul 30, 2014 at 12:50 PM, Greg Snow <538...@gmail.com> wrote: > >> My preference when teaching is to have the code and results look the > >> same as it appears in the R console window, so with the prompts and > >> without the output commented. But then I also `purl` my knitr file to > >> create a script file to give to the students that they can copy and > >> paste from easily. > >> > > > > ______________________________________________ > > 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. > -- Joshua F. Wiley Ph.D. Student, UCLA Department of Psychology http://joshuawiley.com/ Senior Analyst, Elkhart Group Ltd. http://elkhartgroup.com Office: 260.673.5518 [[alternative HTML version deleted]] ______________________________________________ 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.
