Alternative Approaches
Explore advanced natural language processing methods in R such as n-grams, stemming, lemmatization, parts of speech, and tf-idf. Understand how these techniques help capture context, improve tokenization, and identify important terms across documents for deeper text analysis.
We'll cover the following...
We'll cover the following...
Bag of words
Tokenizing—or breaking a document into units—is simple to understand when tokens are just words from the document. This is often called a “bag of words.” However, this method has problems, such as a lack of context. It’s a simple way of looking at a document, but there are other, more sophisticated strategies.