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diff --git a/octave_packages/dataframe-0.9.1/@dataframe/isempty.m b/octave_packages/dataframe-0.9.1/@dataframe/isempty.m
new file mode 100644
index 0000000..b9c63e0
--- /dev/null
+++ b/octave_packages/dataframe-0.9.1/@dataframe/isempty.m
@@ -0,0 +1,10 @@
+function resu = isempty(df)
+  %# -*- texinfo -*-
+  %# @deftypefn {Function File} isempty(@var{df})
+  %# Return 1 if df is an empty dataframe (either the number of rows, or
+  %#   the number of columns, or both are zero).  Otherwise, return 0.
+  %# @end deftypefn
+
+  resu = any(0 == size(df));
+
+endfunction