Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
A: linear (L) and linear-plus-plateau (LP) models. B: Quadratic (Q) and cubic (C) models. C: dynamic linear models with and without trend (DLMs, DLM0). D: Holt-Winters models with and without trend (HWs, HW0).
