• Polynomials are algebraic expressions consisting of variables and coefficients.
• Polynomial regressions are the most used in machine learning.

Polynomial regression is a unique case of linear regression:

• You fit a polynomial equ...

In linear regression, we use a single line to predict our data using the line equation. However, we need to use polynomial regression when our data is not a linear dataset but a kind of polynomial curve.

In that case, we need to use a polynomial curve to predict the value the curve can be i...