[ESS] knitr

Yihui Xie xie at yihui.name
Wed Jun 6 16:54:27 CEST 2012

When we were working on the auto-completion feature in RStudio, I
wrote an internal object in knitr for RStudio to use. See


This contains all default chunk options; hopefully ESS can use that as well.

For the second point, yes, that is also RStudio does.

Yihui Xie <xieyihui at gmail.com>
Phone: 515-294-2465 Web: http://yihui.name
Department of Statistics, Iowa State University
2215 Snedecor Hall, Ames, IA

On Wed, Jun 6, 2012 at 10:48 AM, Rasmus <rasmus at gmx.us> wrote:
> The following are just my opinions:
>> Do we have to know what is between << and >>= in order to add knitr
>> support in ESS?
> It doesn't need to, but I think there are quite a few options for Knitr,
> also determining stuff like graphs, so it could be helpful.  Also, newer
> iterations of ESS ship with auto-complete support, which could serve as
> a nice interface.  How to do it smartly, I am not sure.  Ideally, I
> guess it should just pick up whatever tags are supported 'live' (from
> the 'Knitr bin' on the machine).
>> As the first step of the implementation, ESS may just call
>> library(knitr);knit(foo.Rnw) just like R CMD Sweave foo.Rnw.
> Perhaps it would be better to just keep the generic `Sweave' + friends
> buttons and make a customization option to choose either Knitr, Sweave
> or something else.
> --
> And let me remind you also that moderation in the pursuit of justice
> is no virtue
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