Loading VADER
Sentiment analysis provides us a small glimpse of the meaning of texts with a rather directly interpretable method. While it has its limitations, it's a good place to begin working with textual data. There's a number of out-of-the-box tools in Python we can use for sentiment analysis.
ds_tweets
with the datetime index has been loaded for you.
This exercise is part of the course
Analyzing Social Media Data in Python
Exercise instructions
- Load
SentimentIntensityAnalyzer
fromnltk.sentiment.vader
. - Instantiate a new
SentimentIntensityAnalyzer
object. - Generate sentiment scores with the
.apply()
method and the analyzer'spolarity_scores()
function.
Hands-on interactive exercise
Have a go at this exercise by completing this sample code.
# Load SentimentIntensityAnalyzer
____
# Instantiate new SentimentIntensityAnalyzer
sid = ____
# Generate sentiment scores
sentiment_scores = ds_tweets['text'].____(____)