On Thu, 2004-06-10 at 11:26, Uwe Ligges wrote: > Rishi Ganti wrote: > > > I have a data frame called totaldata that is 10,000 rows by about 9 columns. > > If "about 9" equals 2, the behaviour reported below is expected. That is, of course, for sufficiently large values of "about"... ;-) Marc