ftypefn">
<dt class="deftypefn" id="index-iscategory"><span class="category-def">Method: </span><span><code class="def-type"><var class="var">out</var> =</code> <strong class="def-name">iscategory</strong> <code class="def-code-arguments">(<var class="var">obj</var>, <var class="var">catnames</var>)</code><a class="copiable-link" href="#index-iscategory"> &para;</a></span></dt>
<dd>
<p>Test whether input is a category on a categorical array.
</p>
<p><var class="var">catnames</var> is a cellstr listing the c