Extract sentiment scores
Sentiment analysis is useful in social media monitoring since it gives an overview of people's sentiments.
Climate change is a widely discussed topic for which the perceptions range from being a severe threat to nothing but a hoax.
In this exercise, you will perform sentiment analysis and extract the sentiment scores for tweets on "Climate change".
You will use those sentiment scores in the next exercise to plot and analyze how the collective sentiment varies among people.
Tweets on "Climate change", extracted using search_tweets(), have been pre-loaded as tweets_cc.
The library syuzhet has been pre-loaded for this exercise.
This exercise is part of the course
Analyzing Social Media Data in R
Exercise instructions
- Perform sentiment analysis for tweets on
"Climate change". - View the sentiment scores.
Hands-on interactive exercise
Have a go at this exercise by completing this sample code.
# Perform sentiment analysis for tweets on `Climate change`
sa.value <- ___(tweets_cc$___)
# View the sentiment scores
head(___, 10)