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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.

Cet exercice fait partie du cours

<cours>Analyzing Social Media Data in R</cours>
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Instructions de l’exercice

  • Perform sentiment analysis for tweets on "Climate change".
  • View the sentiment scores.

Exercice interactif pratique

Essayez cet exercice en complétant ce code d’exemple.

# Perform sentiment analysis for tweets on `Climate change` 
sa.value <- ___(tweets_cc$___)

# View the sentiment scores
head(___, 10)
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