Duncan Murdoch wrote: > On 01/12/2007 2:38 PM, Michael Hoffman wrote: >> Dieter Menne wrote: >>> Michael Hoffman <b3i4old02 <at> sneakemail.com> writes: >>> >>>> I would like to be able to do something like this: >>>> >>>> <<echo=F,fig=T,width=mywidth>>= >>>> ... >>>> @ >>>> >>>> with mywidth set in a previous code chunk. Is there a way to do this in >>>> Sweave? >>>> >>> Not in the <<>>, but you could set a hook for fig: >>> >>> >>> >From Sweave docs: >>> >>> If option "SweaveHooks" is defined as list(fig = foo), and foo is a >>> function, >>> then it would be executed before the code in each figure chunk. This is >>> especially useful to set defaults for the graphical parameters in a series >>> of >>> figure chunks. >> Thanks. I guess what I really want to do is switch between one of two >> settings. Only one value can be in the defaults, and I would like some >> way of setting the other value. This might not be easily possible, but I >> thought I would ask. > > My understanding is that Michael wants to have the Sweave options in a > chunk depend on a calculation happening in the underlying R session.
That would be really nice and allow some things I hadn't even imagined would be possible. But really I just would like the ability to set a variable statically and reuse it. Using a macro system like m4 would work, although I dislike the idea of adding yet another macro system to my poor document. ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
