                               int&nbsp;estimateUnique)</pre>
<div class="block">Try to compress array into DDC format.</div>
<dl>
<dt><span class="paramLabel">Type Parameters:</span></dt>
<dd><code>T</code> - The type of the Array</dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>arr</code> - The array to try to compress</dd>
<dd><code>estimateUnique</code> - The estimated number of unique values</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Either a compressed version or th