)</span></span></code></pre></div>
    </div>

    <div id="arguments">
    <h2>Arguments</h2>


<dl><dt id="arg-data">data<a class="anchor" aria-label="anchor" href="#arg-data"></a></dt>
<dd><p>a data.frame with columns specified by items and input values</p></dd>


<dt id="arg-items">items<a class="anchor" aria-label="anchor" href="#arg-items"></a></dt>
<dd><p>a character or numerical vector for indexing the column(s)
containing the item names in <code>data</code></p></dd>


<dt id="arg-input">input<a cla