,
  hiding most of the complexities of model fitting. The default
  optimization settings used here are intended to work well in a wide
  range of data sets, although some fine-tuning may be needed for
  more difficult cases. For full control, use <code>fit_poisson_nmf</code>.</p>
    </div>

    <div id="ref-usage">
    <div class="sourceCode"><pre class="sourceCode r"><code><span><span class="fu">fit_topic_model</span><span class="op">(</span></span>
<span>  <span class="va">X</span>,</span>
<span>  <span