On Thu, 24 Jun 2004 13:23:22 -0700, "Alexi Zubiria" <alexi at silicongenetics.com> wrote : >Hi, > > > >1.) The "median" function does not work well. It works fine for me. You were trying to take the median of a list. It only knows how to take the median of a vector. Use dataf [,2:9] not dataf [2:9] to get a vector. Duncan Murdoch