<area shape="rect" href="$classDS.html" title="Abstract class for discrete&#45;time sources of data." alt="" coords="23,119,63,145">
<area shape="rect" href="$classRV.html" title="Class representing variables, most often random variables." alt="" coords="24,7,61,33">
<area shape="rect" title="Urv\nDrv" alt="" coords="39,31,47,39">
<area shape="rect" title="Urv\nDrv" alt="" coords="39,115,47,123">
