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.
Este exercício faz parte do curso
Analyzing Social Media Data in R
Instruções do exercício
- Perform sentiment analysis for tweets on
"Climate change". - View the sentiment scores.
Exercício interativo prático
Experimente este exercício completando este código de exemplo.
# Perform sentiment analysis for tweets on `Climate change`
sa.value <- ___(tweets_cc$___)
# View the sentiment scores
head(___, 10)