e` &lt;chr&gt;,</span></span></span>
<span><span class="co">#&gt; <span style="color: #949494;">#   `Hierarchy for Vehicle type` &lt;chr&gt;, …</span></span></span></code></pre></div>
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<div class="sourceCode" id="cb7"><pre class="downlit sourceCode r">
<code class="sourceCode R"><span><span class="va">data.feather</span> <span class="op">&lt;-</span> <span class="va">connection.feather</span> <span class="op"><a h