What are the types of polynomial regressions?
1. Linear polynomial regression (degree 1)
2. Quadratic polynomial regression (degree 2)
3. Cubic polynomial regression (degree 3)
4. Higher-order polynomial regression (degree greater than 3)
2. Quadratic polynomial regression (degree 2)
3. Cubic polynomial regression (degree 3)
4. Higher-order polynomial regression (degree greater than 3)