Exercise

Capturing the actions - dtm with verbs

In this exercise you will construct the dtm that will consist entirely of verbs, and then re-run the LDA algorithm.

You are given the dataframe verbs containing present and past tense forms of English verbs.

Instructions 1/3

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Modify the old code so that instead of removing stopwords it will return a dtm that contains only the past tense verbs. You will need to join on columns word and past.