pan></span>
<span id="cb18-5"><a href="#cb18-5" aria-hidden="true" tabindex="-1"></a>  <span class="fu">scale_y_continuous</span>(<span class="at">expand =</span> <span class="fu">c</span>(<span class="dv">0</span>, <span class="dv">0</span>)) <span class="sc">+</span></span>
<span id="cb18-6"><a href="#cb18-6" aria-hidden="true" tabindex="-1"></a>  <span class="fu">scale_fill_gradientn</span>(</span>
<span id="cb18-7"><a href="#cb18-7" aria-hidden="true" tabindex="-1"></a>    <span class="at">colours =</sp