That's what I thought. Also, just FYI, the "ed" editor on *nix systems doesn't have a prompt (at least not by default). My son thought I was "trolling" him when I told him that.
-- Mike On Wed, Jul 30, 2014 at 5:06 PM, Joshua Wiley <jwiley.ps...@gmail.com> wrote: > 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. ______________________________________________ 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.