Advanced Machine Learning
,6.1 Overview
• What is Machine Learning?
• Machine learning algorithms are a subset of artificial intelligence (A
that imitates the human learning process.
• Humans learn through multiple experiences how to perform a task
• Similarly, machine learning algorithms develop multiple models
(usually using multiple datasets) and each model is analogous to an
experience.
,Example
• A spam filter. Your email provider's algorithm learns to identify spa
by analyzing thousands of emails you've marked as "spam" or "not
spam."
• Over time, it gets better at automatically filtering out unwanted
messages for you.
, Mitchell's Definition (1997):
• "A computer program is said to learn from experience E with respe
to some class of tasks T and performance measure P, if its
performance at tasks in T, as measured by P, improves with
experience E."