On Thu, 5 Aug 2004 Ted.Harding at nessie.mcc.ac.uk wrote: > But you can also do these with 'any' and 'all', e.g. > > any(v==TRUE) > or any( (v==TRUE)==TRUE), or any( ((v==TRUE)==TRUE)==TRUE)... Or, perhaps, any(v). Lewis Carroll wrote a nice piece on this theme. -thomas