I can duplicate this problem under WinXP Professional 5.1.2600 Service Pack 2 Build 2600 on a Toshiba Satellite A10. Thanks to Knut for identifying just what was causing this problem - I was having this error repeatedly but couldn't track down the cause. Duncan
> version _ platform i386-pc-mingw32 arch i386 os mingw32 system i386, mingw32 status major 2 minor 1.1 year 2005 month 06 day 20 language R ***************************************** Dr. Duncan Mackay School of Biological Sciences Flinders University GPO Box 2100 Adelaide S.A. 5001 AUSTRALIA Ph (08) 8201 2627 FAX (08) 8201 3015 http://www.scieng.flinders.edu.au/biology/people/mackay_d/index.html [[alternative HTML version deleted]] ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html