ass="r-in"><span><span class="kw">if</span> <span class="op">(</span><span class="kw"><a href="https://rdrr.io/r/base/library.html" class="external-link">require</a></span><span class="op">(</span><span class="va"><a href="https://github.com/ProjectMOSAIC/ggformula" class="external-link">ggformula</a></span><span class="op">)</span><span class="op">)</span> <span class="op">{</span></span></span>
<span class="r-in"><span>  <span class="fu"><a href="https://rdrr.io/pkg/ggformula/man/gf_point.html" class="ext