le estimation using default k of 128. See <a href="https://datasketches.apache.org/api/java/snapshot/apidocs/index.html">DoublesSketch</a>. Multiple quantile calculations on a single source column will be merged into a single quantile calculation so it may be more convenient to use this function to produce multiple quantiles mapped to several result columns as opposed to ending up with a single column of maps of quantile to value.</p></div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code