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Principles of Data Science by Sinan Ozdemir

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Chapter 13. Case Studies

In this chapter, we will take a look at a few case studies to help you develop a better understanding of the topics we've seen so far.

Case study 1 – predicting stock prices based on social media

Our first case study will be quite exciting! We will attempt to predict the price of stock of a publically traded company using only social media sentiment. While this example will not use any explicit statistical/machine learning algorithms we will utilize EDA (exploratory data analysis) and use visuals in order to achieve our goal.

Text sentiment analysis

When talking about sentiment it should be clear what is meant. By sentiment, I am referring to a quantitative value (at the interval level) between -1 and 1. If the sentiment score ...

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