[R] Sweave and abbreviating output from R
Gabor Grothendieck
ggrothendieck at gmail.com
Mon Apr 11 13:34:28 CEST 2005
On Apr 11, 2005 7:22 AM, Gavin Simpson <gavin.simpson at ucl.ac.uk> wrote:
> Dear List,
>
> I'm using Sweave to produce a series of class handouts for a course I am
> running. The students in previous years have commented about wanting
> output within the handouts so they can see what to expect the output to
> look like. So Sweave is a godsend for producing this type of handout -
> with one exception: Is there a way to suppress some rows of printed
> output so as to save space in the printed documentation? E.g
>
> rnorm(100)
>
> produces about 20 lines of output (depending on options("width")). I'd
> prefer something like:
>
> rnorm(100)
> [1] 0.527739021 0.185551107 -1.239195562 0.020991608 -1.225632520
> [6] -1.000243373 -0.020180393 2.552180776 -1.719061533 -0.195024625
> ...
> [96] -0.744916379 0.863733400 -0.186667848 1.378236663 -0.499201046
>
> The actual application would be printing of output from summary()
> methods. Ideally it would be nice to ask for line 1-10, 30-40, 100-102,
> for example, so you could print the first few lines of several sections
> of output. I'd like to automate this so I don't need to keep copying and
> pasting into the final tex source or forget to do it if I alter some
> previous part of the Sweave source.
>
> Has anyone tried to do this? Does anyone know of an automatic way of
> achieving the simple abbreviation or the more complicated version I
> described?
>
> Any thoughts on this?
>
Maybe you could use head(rnorm(100)) instead. Check ?head
for other arguments.
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