ive information? We ought to ensure gio only serialises the data necessary to produce the visualisation.</p>
<div class="sourceCode" id="cb169"><pre class="sourceCode r"><code class="sourceCode r"><span id="cb169-1"><a href="advanced-topics.html#cb169-1"></a><span class="co"># add a variable that should not be shared</span></span>
<span id="cb169-2"><a href="advanced-topics.html#cb169-2"></a>arcs<span class="op">$</span>secret_id &lt;-<span class="st"> </span><span class="dv">1</span><span class="op">:</spa