I am trying to transition from Sweave to knitr, but there are a few
things about customization of the appearence of R input and output that
I did not get yet. Maybe somebody on the list can help me.
In my Sweave presentations I used a slanted font for the R input and a
normal font for the output, both in a small font. I also indented
everything by an extra 2em. All this was achieved by the following
instructions in the .Rnw file:
\DefineVerbatimEnvironment{Sinput}{Verbatim}{xleftmargin=2em,
fontsize=\footnotesize, fontshape=sl}
\DefineVerbatimEnvironment{Soutput}{Verbatim}{xleftmargin=2em,
fontsize=\footnotesize}
In order to get a similar result (with a tiny size instead of a footnote
size, but that is not the point) with knitr I included in the .Rnw file
the lines
\ifdefined\knitrout
\renewenvironment{knitrout}{\begin{tiny}\slshape}{\end{tiny}}
\else
\fi
What I get is something like this:
http://definetti.uark.edu/~gpetris/knitr-output.pdf
The problem is that the prompt sign '>' did not change either size or
shape. So I am probably not using the correct approach. How should I be
doing?
Also, what do I have customize, and how, in order to get the extra left
margin?
Final question: how can I get the continuation sign '+'? (This is for an
introductory presentation in which I want to show people exactly what
they are going to see on their screen.)
Oops, one more... How can I change the spacing between regular text and
R code (input/output)? With Sweave I would do
\fvset{listparameters={\setlength{\topsep}{0pt}}}
\renewenvironment{Schunk}{\vspace{\topsep}}{\vspace{\topsep}}
Sorry for the many questions and thank you in advance for any help and
insight you can give me.
Best,
Giovanni
--
Giovanni Petris <gpet...@uark.edu>
Associate Professor
Department of Mathematical Sciences
University of Arkansas - Fayetteville, AR 72701
Ph: (479) 575-6324, 575-8630 (fax)
http://definetti.uark.edu/~gpetris/
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