ed over
multiple stages as the dataframe format change in between then this will
be held as a nested dataframe (i.e. see <code><a href="https://tidyr.tidyverse.org/reference/nest.html" class="external-link">?tidyr::nest</a></code>):</p>
<div class="sourceCode" id="cb3"><pre class="downlit sourceCode r">
<code class="sourceCode R"><span></span>
<span><span class="co"># here we filter out the majority of the actual content of the excluded data to focus on the </span></span>
<span><span class="co"># metadata 