="fu">xlab</span>(<span class="st">&quot;time&quot;</span>) <span class="sc">+</span></span>
<span id="cb4-9"><a href="#cb4-9" aria-hidden="true" tabindex="-1"></a>  ggplot2<span class="sc">::</span><span class="fu">ggtitle</span>(<span class="st">&quot;Projected abundances of three plant species&quot;</span>)<span class="sc">+</span></span>
<span id="cb4-10"><a href="#cb4-10" aria-hidden="true" tabindex="-1"></a>  <span class="cn">NULL</span></span></code></pre></div>
<div class="sourceCode" id="cb5"><pre 