October 2014
Beginner to intermediate
448 pages
14h 16m
English
book
Modeling Techniques in Predictive Analytics with Python and R: A Guide to Data Science
by Thomas W. Miller
Content preview from Modeling Techniques in Predictive Analytics with Python and R: A Guide to Data Science
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8. Sentiment Analysis
“Frankly, my dear, I don’t give a damn.”
—CLARK GABLE AS RHETT BUTLER IN Gone with the Wind (1940)
As all must know by now, I am not shy about sharing my opinions. So to start on the topic for this chapter, I have written a few movie reviews. Along with the reviews, shown in figures 8.1 and 8.2, I give each of the movies a rating from 1 to 10, with 1 being “horrible” and 10 being “fantastic.” Such is sentiment.
Figure 8.1. A Few Movie Reviews According to Tom
Sentiment analysis is text analytics with a purpose. It is the use of text measures to learn about the past and make predictions about the future. Sometimes called ...
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