On Sat, Nov 04, 2006 at 05:29:00PM +0100, Martin Maechler wrote: > Your version of SparseM is probably too old and or may not have > been for R 2.3.1. > > Do the following > > 1) Get R 2.4.0 (or even R-2.4.0-patched) > > 2) upgrade.packages() ^^^^^^^ perhaps you meant update.packages()? Tamas