Types of data

https://www.safaribooksonline.com/library/view/hands-on-data-science/9781787280748/f45e4e94-9705-408a-ac21-ea56d22b95de.xhtml

if you want to be a data scientist, we need to talk about the types of data that you might encounter, how to categorize them, and how you might treat them differently.