--- a
+++ b/inst/@dataframe/end.m
@@ -0,0 +1,36 @@
+function resu = end(df, k, n)
+  %# function resu = end(df, k, n)
+  %# This is the end operator for a dataframe object, returning the
+  %# maximum number of rows or columns
+
+  %% Copyright (C) 2009-2010 Pascal Dupuis <Pascal.Dupuis@uclouvain.be>
+  %%
+  %% This file is part of Octave.
+  %%
+  %% Octave is free software; you can redistribute it and/or
+  %% modify it under the terms of the GNU General Public
+  %% License as published by the Free Software Foundation;
+  %% either version 2, or (at your option) any later version.
+  %%
+  %% Octave is distributed in the hope that it will be useful,
+  %% but WITHOUT ANY WARRANTY; without even the implied
+  %% warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+  %% PURPOSE.  See the GNU General Public License for more
+  %% details.
+  %%
+  %% You should have received a copy of the GNU General Public
+  %% License along with Octave; see the file COPYING.  If not,
+  %% write to the Free Software Foundation, 59 Temple Place -
+  %% Suite 330, Boston, MA 02111-1307, USA.
+  
+  %#
+  %# $Id: end.m 852 2010-07-22 10:47:55Z dupuis $
+  %#
+
+  try
+    resu = df._cnt(k);
+  catch
+    error("incorrect call to end, index greater than number of dimensions");
+  end_try_catch
+
+endfunction