Features and Feature Stores

Know the Vocabulary

This lesson uses the terms below many times. Read them once now, and come back here when a later section needs one.

• Feature: One input value the model uses, such as a restaurant's average prep time or the distance to the customer.
• Raw signal: A fact the business records, such as an order event, a price, or a user id. It often must be changed into a number before a model can use it.
• Entity: One thing the system keeps data about, such as a restaurant, a courier, a customer, or a dish.