class="fl">1</span><span class="op">]</span>, <span class="va">new_df</span><span class="op">[</span>, <span class="fl">2</span><span class="op">]</span><span class="op">)</span></span>
<span><span class="va">new_df2</span> <span class="op">&lt;-</span> <span class="va">new_df</span><span class="op">[</span><span class="va">chull_vals</span>, <span class="op">]</span></span>
<span><span class="va">p</span> <span class="op">+</span></span>
<span>  <span class="fu"><a href="https://eliocamp.github.io/ggnewsca