span><span class="op">(</span>labels <span class="op">=</span> <span class="fu"><a href="https://rdrr.io/r/base/c.html">c</a></span><span class="op">(</span><span class="st">"Time 1"</span>, <span class="st">"Time 2"</span><span class="op">)</span><span class="op">)</span><span class="op">+</span>
  <span class="fu">theme_classic</span><span class="op">(</span><span class="op">)</span></code></pre></div>
<div class="figure" style="text-align: center">
<span style="display:block;" id="fig:plot2"></span>
<img