15.071 | Spring 2017 | Graduate

The Analytics Edge

5.2 Turning Tweets into Knowledge: An Introduction to Text Analytics

5.2 Turning Tweets into Knowledge: An Introduction to Text Analytics

Quick Question

In the previous video, we showed a list of all words that appear at least 20 times in our tweets. Which of the following words appear at least 100 times? Select all that apply. (HINT: use the findFreqTerms function)

Explanation To answer this question, you need to run the following command in R: findFreqTerms(frequencies, lowfreq=100) This outputs the words that appear at least 100 times in our tweets. They are "iphon", "itun", and "new".

Course Info

As Taught In
Spring 2017
Level
Learning Resource Types
Lecture Videos
Lecture Notes
Problem Sets with Solutions