28.</div>
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<td class="colFirst"><code>static java.lang.Object</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../tech/v3/dataset/Reductions.html#probQuantile-java.lang.Object-double-long-">probQuantile</a></span>(java.lang.Object&nbsp;colname,
            double&nbsp;quantile,
            long&nbsp;k)</code>
<div class="block">Probabilistic quantile estimation using default k of 128.</div>
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