function net = fixduplicates(net, x, y)


%

[foo, i, j] = unique(x, 'rows');

for k = unique(j)'

   idx1 = find(j == k);

   idx2 = find(y(idx1) > 0);

   if ~isempty(idx2)
      net.w(idx1(idx2)) = mean(net.w(idx1(idx2)));
   end

   idx2 = find(y(idx1) < 0);

   if ~isempty(idx2)
      net.w(idx1(idx2)) = mean(net.w(idx1(idx2)));
   end

end