-number="14">tracker &lt;-<span class="st"> </span><span class="kw"><a href="https://www.rdocumentation.org/packages/base/topics/data.frame">data.frame</a></span>(<span class="dt">filename=</span><span class="ot">NA</span>, <span class="dt">taskid=</span><span class="ot">NA</span>)</a>
<a class="sourceLine" id="cb4-15" data-line-number="15"></a>
<a class="sourceLine" id="cb4-16" data-line-number="16"><span class="co"># Loop</span></a>
<a class="sourceLine" id="cb4-17" data-line-number="17">j &lt;-<span clas