pan class=comment>%&nbsp;are&nbsp;data&nbsp;sets&nbsp;loaded&nbsp;?</span><br>
&nbsp;&nbsp;&nbsp;<span class=keyword>if</span>&nbsp;isempty(sets)==1,<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class=jump>return</span>;<br>
&nbsp;&nbsp;&nbsp;<span class=keyword>end</span><br>
<br>
&nbsp;&nbsp;&nbsp;<span class=comment>%&nbsp;get&nbsp;#&nbsp;of&nbsp;iter&nbsp;and&nbsp;epsilon</span><br>
&nbsp;&nbsp;&nbsp;iter=str2num(<span class=graph>get</span>(h.editer,<span class=quotes>'String'</span>));<br>
&nbsp;&nbs