On Tue, 28 Oct 2003 [EMAIL PROTECTED] wrote:
> But MASS is huge! Hence the query. (I've also had occasion to filch
> single functions from other libraries as well).
MASS is *not* huge, and indeed is negligible compared to what is already
loaded. nlme might be large, but few packages are noticeable and none are
huge ....
Luke and I (but principally Luke) have been experimenting with
load-on-demand for R objects, and indeed MASS already does that for its
data objects. It's possible that this will be a non-issue by the next
non-patch release.
Some data (R 1.8.0 --vanilla)
> gc()
used (Mb) gc trigger (Mb)
Ncells 416460 11.2 597831 16
Vcells 113224 0.9 786432 6
> library(MASS)
> gc()
used (Mb) gc trigger (Mb)
Ncells 463337 12.4 667722 17.9
Vcells 121995 1.0 786432 6.0
I'd fail any student who said `MASS was huge'.
I assume you don't have methods loaded if you are concerned about
performance ....
--
Brian D. Ripley, [EMAIL PROTECTED]
Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/
University of Oxford, Tel: +44 1865 272861 (self)
1 South Parks Road, +44 1865 272866 (PA)
Oxford OX1 3TG, UK Fax: +44 1865 272595
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