ind it. That makes the polynomial approximation so appealing.
	</p>
	<p>
You might have heard term <i><span id="index_linear_regression">linear regression</span></i>. It is a special case of polynomial approximation: an approximation of some data with a line, plane or hyperplane. So now you know how that works too.
	</p>
	<div id="approximation_facts_note">
	<p>
There are three more facts I want to share, but I think it would be more fun if you reveal them yourself with a living plot from above. Every time 