)</span>.</p>
<div class="sourceCode" id="cb1"><pre class="downlit sourceCode r">
<code class="sourceCode R"><span><span class="fu"><a href="https://rdrr.io/r/utils/head.html" class="external-link">head</a></span><span class="op">(</span><span class="va">UKEnergy2000</span>, <span class="fl">2</span><span class="op">)</span></span>
<span><span class="co">#&gt;   Country Year Ledger.side      Flow.aggregation.point              Flow</span></span>
<span><span class="co">#&gt; 1      GB 2000      Supply Total 