On Mar 18, 2008, at 11:44 PM, Rolf Turner wrote: > > On 19/03/2008, at 4:39 PM, Erin Hodgess wrote: > >> do.call(class,list=ls()) > > sapply(ls(),function(x){class(get(x))}) or, in case you want to save some typing: eapply(globalenv(), class) b