></p></td>
	</tr>
</table>
<p><span style="font-size: 11.0pt;">Formulas for computing these quantities 
 are as follows:</span></p>
<p><b><span style="font-size: 11.0pt;">Distances</span></b></p>
<p><span style="font-size: 11.0pt;"><img src="DistanceMethods_HC_files/image036.jpg" alt="" border="0" style="width:100%; max-width:458px" /></span></p>
<p><span style="font-size: 11.0pt;">where</span> <i><span style="font-size: 11.0pt;">P</span></i> 
 <span style="font-size: 11.0pt;">and <i>Q</i> are the frequenci