onal parameters to be passed to parameter '.func' in <code>mutate_vars</code>.</p></dd>


<dt id="arg-by">by<a class="anchor" aria-label="anchor" href="#arg-by"></a></dt>
<dd><p>(Optional) Mutate by what group?</p></dd>


<dt id="arg--cols">.cols<a class="anchor" aria-label="anchor" href="#arg--cols"></a></dt>
<dd><p>Any types that can be accepted by <code><a href="select.html">select_dt</a></code>.</p></dd>


<dt id="arg--func">.func<a class="anchor" aria-label="anchor" href="#arg--func"></a></d