The estimator. A static-method value-object (no instances, no state) — the estimate IS the function of the evidence.
Static
The band a Discipline's evidence currently warrants — the only surface.
Fold a Discipline's evidence (already filtered to one Discipline) into a current estimate. Empty evidence yields the cold-start prior → the floor band.
The estimator. A static-method value-object (no instances, no state) — the estimate IS the function of the evidence.