ps://rdrr.io/r/base/library.html">library</a></span><span class="op">(</span><span class="va"><a href="https://docs.ropensci.org/datapack/">datapack</a></span><span class="op">)</span>
<span class="kw"><a href="https://rdrr.io/r/base/library.html">library</a></span><span class="op">(</span><span class="va"><a href="http://www.rforge.net/uuid">uuid</a></span><span class="op">)</span>

<span class="va">dp</span> <span class="op">&lt;-</span> <span class="fu">new</span><span class="op">(</span><span class="st"