les/UnionItemsSketch.html" title="type parameter in UnionItemsSketch">T</a>&gt;&nbsp;comparator,
                        org.apache.datasketches.ArrayOfItemsSerDe&lt;<a href="../../../../../org/apache/datasketches/pig/quantiles/UnionItemsSketch.html" title="type parameter in UnionItemsSketch">T</a>&gt;&nbsp;serDe)</pre>
<div class="block">Base constructor.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>k</code> - parameter that determines the accuracy and size of the sketch.
 The 