title: R remove specific word in a txte like: the this
body: <pre><code>txt &lt;- readLines("this.txt")
  
  library(tm)
  
  corpus &lt;- Corpus(VectorSource(txt))
  
  corpus &lt;- tm_map (corpus, removePunctuation)
  
  tdm &lt;- TermDocumentMatrix (corpus)
  
  m &lt;- as.matrix (tdm)
  
  d &lt;- data.frame(freq = sort(rowSums(m),decreasing = TRUE))
  </code></pre>