AI Terminology
/Beginner
Features
Definition
The individual, measurable properties or characteristics of a phenomenon being observed that a machine learning model uses to make its predictions.
Explain Like I'm New
The 'clues' the AI uses to solve the puzzle. If you want an AI to predict the price of a house, the 'Features' are the number of bedrooms, the square footage, the zip code, and the age of the house.
Real World Example
In an AI built to predict if an email is spam, the Features might be: 'Contains the word FREE', 'Sent at 3:00 AM', 'Has multiple exclamation points!!!', and 'Sender address matches the recipient'.
Common Use Cases
- •Data engineering
- •Feature extraction
Interview Questions
basic
- If an AI is predicting the weather, what might be a good 'Feature' to give it?
intermediate
- What is 'Feature Engineering'?