On 2/24/07, Prof Brian Ripley <[EMAIL PROTECTED]> wrote: > On Sat, 24 Feb 2007, hadley wickham wrote: > > >> > ggplot currently requires 13 packages (grid, reshape, RColorBrewer, > >> > proto, splines, MASS, Hmisc, boot, butler, hexbin, mapproj, quantreg, > >> > sm). Some of these are absolutely necessary (eg. proto), but most are > >> > used for one or two specific tasks (eg. boot is only used to get > >> > plogis, used for logit scales). > >> > >> Hmm, there is no plogis in boot, but there is in stats. > > > > Oops, I had originally included it to use logit and inv.logit, but > > then realised I could use plogis etc instead. That's one dependency > > down. > > > >> > >> > Do you think I should make them all "depends" packages, or "suggests" > >> > packages, and then manually test for package presence before using a > >> > certain function? What is easier for users? > >> > >> The second, especially as from 2.5.0 the 'Depends' and 'Imports' are > >> installed by default. > > > > Ok, that makes sense then. > > > >> What you have not mentioned is that those packages also have dependencies. > >> > >> Using 'Depends' on a non-CRAN package (e.g. hexbin) is definitely awkward > >> for the user/sysadmin and I would try to avoid it. > > > > It's frustrating enough for the windows user, as suggests packages > > seem to get installed by default as well. > > Prior to 2.5.0, yes, but not in future.
Great. One more question: do you have any suggstion for you I should deal with examples? Do I have to wrap those in conditional require statements as well? That seems to be the way to get R CMD check to pass, but adds (unnecessary?) repitition. Hadley ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
