.regression">UpdatingMultipleLinearRegression</a></code></dd>
<dt><span class="strong">Returns:</span></dt><dd>true regression has an intercept, false no intercept</dd></dl>
</li>
</ul>
<a name="getN()">
<!--   -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>getN</h4>
<pre>public&nbsp;long&nbsp;getN()</pre>
<div class="block">Gets the number of observations added to the regression model.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../../../org/apache/commons/mat