
<span>  <span class="fu">theme</span><span class="op">(</span>axis.text.x <span class="op">=</span> <span class="fu">element_text</span><span class="op">(</span>angle <span class="op">=</span> <span class="fl">90</span>, vjust <span class="op">=</span> <span class="fl">0.4</span>, hjust <span class="op">=</span> <span class="fl">1</span><span class="op">)</span><span class="op">)</span></span>
<span><span class="co">#&gt; Warning: `aes_string()` was deprecated in ggplot2 3.0.0.</span></span>
<span><span cl