Chapter 10. Regression: Prediction

image with no caption

Predict it.

Regression is an incredibly powerful statistical tool that, when used correctly, has the ability to help you predict certain values. When used with a controlled experiment, regression can actually help you predict the future. Businesses use it like crazy to help them build models to explain customer behavior. You’re about to see that the judicious use of regression can be very profitable indeed.

What are you going to do with all this money?

Your quest for a raise paid off. With your histograms, you figured out that people who chose to negotiate their salaries got consistently higher outcomes. So when you went into your boss’s office, you had the confidence that you were pursuing a strategy that tended to pay off, and it did!

These are the histograms you looked at in the final exercises of the previous chapter, except they’ve been redrawn to show the same scale and bin size.

image with no caption
image with no caption
image with no caption

No point in stopping now.

Lots of people could benefit from your insight about how to get better raises. Few of your colleagues took the savvy approach your did, and you have ...

Get Head First Data Analysis now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.