k">c</a></span><span class="op">(</span><span class="st">"prior"</span>, <span class="st">"working"</span><span class="op">)</span>, <span class="va">...</span><span class="op">)</span></span></code></pre></div>
    </div>

    <div class="section level2">
    <h2 id="arguments">Arguments<a class="anchor" aria-label="anchor" href="#arguments"></a></h2>
    <p></p>
<dl><dt id="arg-object">object<a class="anchor" aria-label="anchor" href="#arg-object"></a></dt>
<dd><p>an <span style="R">R</span> object of cla