Platform of image
On Fri, 2 Sep 2011, Jeff Newmiller wrote:
You don't say how you re-open it, but I would guess you are double-clicking the .RData file and letting Windows look up which program to run. If so, you can either open the 64-bit GUI directly and use File Open Data to open your data, or you can change which version of the R GUI program is linked to .RData files in Windows.
See the rw-FAQ Q2.29 for why (and how to change it).
Jeff Newmiller John Welsh <jwelsh at sdibr.org> wrote: Dear R users, When I Save Workspace... and then reopen it, my platform switches from 64-bit to 32-bit, i.e. the Gui switches between these: R version 2.13.1 (2011-07-08) Copyright (C) 2011 The R Foundation for Statistical Computing ISBN 3-900051-07-0 Platform: x86_64-pc-mingw32/x64 (64-bit) R version 2.13.1 (2011-07-08) Copyright (C) 2011 The R Foundation for Statistical Computing ISBN 3-900051-07-0 Platform: i386-pc-mingw32/i386 (32-bit) How come? This is a Windows x64 system. John Welsh, Ph.D. Associate Professor Molecular and Cancer Biology Vaccine Research Institute of San Diego 10835 Road to the Cure San Diego, CA 92121 Phone: (858) 581-3960 ex.248 Email: jwelsh at sdibr.org
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