g> observations in the
 model, or if there is no variation in x, this returns
 <code>Double.NaN</code>.</p> Additionally, a <code>Double.NaN</code> is
 returned when the intercept is constrained to be zero</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>standard error associated with intercept estimate</dd></dl>
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<h4>getSlopeStdErr</h4>
<pre>public&nbsp;double&nbsp;getSlopeStdErr()</pre>
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