s)</span>
dtm_clean &lt;- dtm_remove_terms(dtm_clean, terms = c(<span class="hljs-string">"appartement"</span>, <span class="hljs-string">"appart"</span>, <span class="hljs-string">"eter"</span>))
<span class="hljs-comment">## Or keep of these nouns the top 50 based on mean term-frequency-inverse document frequency</span>
dtm_clean &lt;- dtm_remove_tfidf(dtm_clean, top = <span class="hljs-number">50</span>)
</code></pre>
<p>Once we have our document/term/matrix, topic modelling is simple</p>
<pre><code clas