n = 50;
ns = 15;

figure (1);
clf ();
box on;

for i = 1:n

  data = rand (ns,ns);

  hold off;
  plot (0,0,'.k');
  hold on;

  for j1 = 1:ns
    for j2 = 1:ns
      plot (j1, j2, 'o', 'markersize', data (j1,j2)*16, 'linewidth', 3);
    endfor
  endfor
	title (['Data Set ',num2str(i)], 'fontsize', 18);

  xlim ([0,ns+1]);
  ylim ([0,ns+1]);

  refresh ();

endfor
