Recursive Filters: SMA, EMA, Low‑Pass, and a Tiny Kalman(staszewski.xyz) |
Recursive Filters: SMA, EMA, Low‑Pass, and a Tiny Kalman(staszewski.xyz) |
> Tune by eyeballing lag vs. noise.
In any serious installations (more than a homelab) you want some numeric metrics, not eyeballing. E.g. management or next engineer may reasonably ask "why alpha is 0.8? what's the rationale, why not 0.85", you want some formula to show it's what we want.