an>
<span id="cb9-3"><a href="#cb9-3" aria-hidden="true"></a><span class="op">&gt;</span><span class="st"> </span>qual[errors <span class="op">&gt;</span><span class="st"> </span><span class="dv">0</span>]</span>
<span id="cb9-4"><a href="#cb9-4" aria-hidden="true"></a>Empty <span class="kw">data.table</span> (<span class="dv">0</span> rows and <span class="dv">4</span> cols)<span class="op">:</span><span class="st"> </span>group,errors,n,ferrors</span></code></pre></div>
<p>So we have a large number of gro