 class="fu">histFromSum</span><span class="op">(</span><span class="va">x</span>, <span class="va">...</span><span class="op">)</span></span>
<span></span>
<span><span class="co"># Default S3 method</span></span>
<span><span class="fu">histFromSum</span><span class="op">(</span><span class="va">x</span>, <span class="va">y</span>, <span class="va">...</span><span class="op">)</span></span>
<span></span>
<span><span class="co"># S3 method for class 'table'</span></span>
<span><span class="fu">histFromSum</sp