Performing Natural Language Processing with R/

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Creating a List of Frequent Terms

Creating a List of Frequent Terms

Learn about frequent terms that are useful for language modeling, classification, and information retrieval.

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Frequent terms

Frequent terms play an important role in natural language processing because they can provide insights into the underlying patterns, structures, key themes, and topics present in a document. They can be used for information retrieval tasks such as search engines, recommender systems, and question-answering systems.

Here’s a code example to find frequent terms in a document.

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library(tm, quietly = TRUE)
# find terms which appear 400 or more times in the document
Corpus(DirSource(pattern = "mws_.+txt",
                  directory = "data")) |>
  DocumentTermMatrix( ) |>
  findFreqTerms(lowfreq = 400)
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