Text mining with n-gram variables

Matthias Schonlau
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Matthias Schonlau: University of Waterloo

2020 Stata Conference from Stata Users Group

Abstract: Text data, such as answers to open-ended questions, are sometimes ignored because they are hard to analyze. Our Stata command ngram turns text into hundreds of variables using the "bag of words" approach. Broadly speaking, each variable records how often the corresponding word or word sequence occurs in a given text. This is more useful than it sounds. The program supports text in 12 European languages. (Schonlau, M, Guenther, and N Sucholutsky 2017)

Date: 2020-08-20
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Persistent link: https://EconPapers.repec.org/RePEc:boc:scon20:10

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