Indie Author Insights: A Decision Tree for E-Book Sales

A decision tree is a method used in machine learning that creates a tree-like model to predict the value of a target variable. Basically, you feed it some data (like a spreadsheet) and it predicts what one of the values will be.

Naturally, I wanted to use this model to look into my e-book sales. I decided to use my data from Google Books to find out how the book-buying process might look as a decision tree. Amazon is by far my biggest market, but they don’t provide any data on traffic. Google offers a surprisingly detailed report that…