I am trying to create a vignette in a package (basically just using
LaTeX code; no R calculations or data are involved).
The LaTeX code involves the use of the align* environment from
the amsmath package. When I try to run Sweave() on the *.Rnw file
I get a corresponding *.tex file, but then when I run pdflatex on
that file I get an error:
> ! LaTeX Error: Command \iint already defined.
> Or name \end... illegal, see p.192 of the manual.
>
> See the LaTeX manual or LaTeX Companion for explanation.
> Type H <return> for immediate help.
> ...
>
> l.649 ...d{\iint}{\DOTSI\protect\MultiIntegral{2}}
which is completely opaque to me.
If I don't have \usepackage{amsmath} in the *.Rnw file, I get
(unsurprisingly) an error message to the effect that the align*
environment is undefined.
Is there any way to make use of amsmath facilities in a vignette?
Alternatively, is there any way to simply use the pdf output obtained
by processing an ordinary LaTeX file as a vignette? I have done a
bit of web searching on this, but all of the hits that I get seem to be
substantially out of date. They refer to putting vignettes in
/inst/doc and I'm pretty sure that this is no longer how it's done.
(But I find all of the vignette business rather bewildering and
confusing.)
Grateful for any advice.
cheers,
Rolf Turner
--
Honorary Research Fellow
Department of Statistics
University of Auckland
Phone: +64-9-373-7599 ext. 88276
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