class="fu"><a href="https://rdrr.io/r/base/numeric.html" class="external-link">as.numeric</a></span><span class="op">(</span><span class="va">input</span><span class="op">$</span><span class="va">n_fs</span><span class="op">)</span>,</span></span>
<span class="r-in"><span>           xlab <span class="op">=</span> <span class="st">"Duration (minutes)"</span>,</span></span>
<span class="r-in"><span>           main <span class="op">=</span> <span class="st">"Geyser eruption duration"</span><span class="op">)</