out co"><span class="r-pr">#&gt;</span> 5 FALSE FALSE</span>
<span class="r-in"><span><span class="va">ht3</span> <span class="op">&lt;-</span> <span class="fu">dplyr</span><span class="fu">::</span><span class="fu"><a href="https://dplyr.tidyverse.org/reference/mutate.html" class="external-link">mutate</a></span><span class="op">(</span><span class="va">ht</span>, x <span class="op">=</span> <span class="va">a</span> <span class="op">+</span> <span class="va">b</span><span class="op">)</span></span></span>