 href="../../../../../../org/apache/commons/math3/stat/regression/SimpleRegression.html#getR()">getR</a></strong>()</code>
<div class="block">Returns <a href="http://mathworld.wolfram.com/CorrelationCoefficient.html">
 Pearson's product moment correlation coefficient</a>,
 usually denoted r.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>double</code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/stat/regression/SimpleRegression.html#getRegres