sionSumSquares()">getRegressionSumSquares</a></strong>()</code>
<div class="block">Returns the sum of squared deviations of the predicted y values about
 their mean (which equals the mean of y).</div>
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<td class="colFirst"><code>double</code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/stat/regression/SimpleRegression.html#getRSquare()">getRSquare</a></strong>()</code>
<div class="block">Returns the <a href="http://www.xycoon.co