multinom(nnet) analogy for biglm package?
Here is the direct way:
.Machine$sizeof.pointer
[1] 8 on a 64-bit system. You can also figure it out from the size of the Ncells, clearly 28 bytes in your example. You seem to believe a multinomial logistic regression is a GLM: it is not.
On Thu, 21 Dec 2006, Yeh, Richard C wrote:
OK, well, seeing Thomas Lumley's post earlier today, I figured out the answer to #4:
gc()
used (Mb) gc trigger (Mb) max used (Mb) Ncells 1115191 29.8 3469679 92.7 13981968 373.4 Vcells 14796791 112.9 79783730 608.8 124640525 951.0
c <- rnorm(1e9)
Error in rnorm(1e+09) : cannot allocate vector of length 1000000000 I am using: R version 2.4.0 Patched (2006-10-03 r39576) 212-933-3305 / richard.c.yeh at bankofamerica.com -----Original Message----- suspect both copies of R were compiled as 32-bit (but I don't know how to verify this).
Brian D. Ripley, ripley at stats.ox.ac.uk 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