You can download the sample data that was prepared for, and used in, the examples in this book. You can also search in the Watson Analytics community for other sample datasets of interest and, in addition, you can upload your own data.

No matter where your data comes from, keep in mind that before uploading, you should take a look at the data to see whether there are things you want to improve before uploading the data, in order to improve its overall quality and directly help Watson understand it. For example, you may want to: