e/library.html" class="external-link">require</a></span><span class="op">(</span><span class="st"><a href="https://devtools.r-lib.org/" class="external-link">'devtools'</a></span><span class="op">)</span><span class="op">)</span> <span class="fu"><a href="https://rdrr.io/r/utils/install.packages.html" class="external-link">install.packages</a></span><span class="op">(</span><span class="st">'devtools'</span><span class="op">)</span></span>
<span><span class="fu">devtools</span><span class="fu">::</span><spa