add</a></strong>(double&nbsp;weight,
   double&nbsp;x,
   double&nbsp;y)</code>
<div class="block">Adds a point to the sample.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/fitting/WeightedObservedPoints.html#add(org.apache.commons.math3.fitting.WeightedObservedPoint)">add</a></strong>(<a href="../../../../../org/apache/commons/math3/fitting/WeightedObservedPoint.html" title="class in org