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Week 3

A central question in text mining and natural language processing is how to quantify what a document is about. Can we do this by looking at the words that make up the document? This week will help to answer this.

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Tutorials & Resources

Please read & work through the following prior to our first class.

• Read Chapter 3: Analyzing word and document frequency: tf-idf of Text Mining with R.
• Read Chapter 4: Relationships between words: n-grams and correlations of Text Mining with R.
• Work through the Term vs. Document Frequency and Word Relationships tutorials for additional practice on a different data set.

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Class Prep

TBD