Finding More Hidden Gems in Holt-Winters

Welcome back to this three-part blog post series on Holt-Winters and why it's still highly relevant today. To understand Part Two, I suggest reading Part One, in which we covered:

  1. When to use Holt-Winters.
  2. How Single Exponential Smoothing works.
  3. A conceptual overview of optimization for Single Exponential Smoothing.
  4. Extra: The proof for optimization of the Residual Sum of Squares (RSS) for Linear Regression.

In this piece, Part Two, we'll explore: