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This course is part of these tracks:

Ted Kwartler
Ted Kwartler

Senior Director, Data Scientist at Liberty Mutual

Ted started his text mining journey at Amazon when he launched the social media customer service team. Since then, he has held analytical leadership roles at startups and Fortune 100 companies. He is the Author of "Text Mining in Practice with R" available at Amazon.

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  • Richie Cotton

    Richie Cotton

Course Description

Add sentiment analysis to your text mining toolkit! Sentiment analysis is used by text miners in marketing, politics, customer service and elsewhere. In this course you will learn to identify positive and negative language, specific emotional intent, and make compelling visualizations. You will end the course by applying your sentiment analysis skills to Airbnb reviews to learn what makes for a good rental.

  1. 1

    Fast & dirty: Polarity scoring


    In the first chapter, you will learn how to apply qdap's sentiment function called polarity() .

  2. Sentiment analysis the tidytext way

    In the second chapter you will explore 3 subjectivity lexicons from tidytext. Then you will do an inner join to score some text.

  3. Visualizing sentiment

    Make compelling visuals with your sentiment output.

  4. Case study: Airbnb reviews

    Is your property a good rental? What do people look for in a good rental?