s="st">&quot;pie&quot;</span>, <span class="st">&quot;donut&quot;</span>), </a>
<a class="sourceLine" id="cb104-2" title="2">  ..., <span class="dt">width =</span> <span class="ot">NULL</span>, <span class="dt">height =</span> <span class="ot">NULL</span>, <span class="dt">elementId =</span> <span class="ot">NULL</span>) {</a>
<a class="sourceLine" id="cb104-3" title="3"></a>
<a class="sourceLine" id="cb104-4" title="4">  type &lt;-<span class="st"> </span><span class="kw">match.arg</span>(type)</a>
<a clas