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.
Deze oefening maakt deel uit van de cursus
Analyzing Social Media Data in R
Oefeninstructies
- Perform sentiment analysis for tweets on
"Climate change". - View the sentiment scores.
Praktische interactieve oefening
Probeer deze oefening eens door deze voorbeeldcode in te vullen.
# Perform sentiment analysis for tweets on `Climate change`
sa.value <- ___(tweets_cc$___)
# View the sentiment scores
head(___, 10)