l></p></div>
<dl><dt><span class="strong">Returns:</span></dt><dd>the slope of the regression line</dd></dl>
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<h4>getSumSquaredErrors</h4>
<pre>public&nbsp;double&nbsp;getSumSquaredErrors()</pre>
<div class="block">Returns the <a href="http://www.xycoon.com/SumOfSquares.htm">
 sum of squared errors</a> (SSE) associated with the regression
 model.
 <p>
 The sum is computed using the computational formula