RE: [R] a question about swap space, memory and read.table()

2004-12-09 Thread Liaw, Andy
From: Hu Chen Hi all Two computers: one is my desktop PC, windows2000, R 1.9.1. Physical RAM 256MB, Swap (Virtual memory) 384Mb. When I allocate a large matrix, it firstly uses up RAM, then use swap space. In windows' task manager, the usage of memory could exceed my physic RAM's size.

Re: [R] a question about swap space, memory and read.table()

2004-12-09 Thread Marcus Davy
On a 32-bit windows (standard install or R) machine you cannot allocate more than 2Gigs of memory, R --max-mem-size=2G or R --max-mem-size=2000M If you try to allocate more than 2G (eg 4000 Meg) I suspect it then defaults back to 1Gig. Check you memory limit with memory.limit(). There is lots