="op">)</span> <span class="op"><a href="https://magrittr.tidyverse.org/reference/pipe.html" class="external-link">%&gt;%</a></span> </span>
<span>  <span class="fu"><a href="../reference/summarise_dt.html">summarise_dt</a></span><span class="op">(</span><span class="va">.N</span><span class="op">)</span></span></code></pre></div>
<p>In the above examples, we could learn that in <em>tidyfst</em>, you
could still use the methods in data.table, such as <code>.N</code>.</p>
</div>
<div class="section level3">
