>(<span class="dv">3</span>, <span class="dv">4</span>, <span class="dv">6</span>, <span class="dv">8</span>, <span class="dv">10</span>)) <span class="sc">%&gt;%</span> </span>
<span id="cb20-5"><a href="#cb20-5"></a>    <span class="fu">mutate</span>(<span class="at">topic_model =</span> <span class="fu">future_map</span>(</span>
<span id="cb20-6"><a href="#cb20-6"></a>        K, <span class="sc">~</span><span class="fu">stm</span>(words_sparse, <span class="at">K =</span> ., <span class="at">verbose =</s