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Related to archest: Arches National Park

ARCH

Autoregressive Conditional Heteroskedasticity

A statistical measure of the average error between a best fit line and actual data that uses past data to predict future performance. General Autoaggressive Conditional Heteroskedasticity is the most common way of doing this. See also: Fractal Distribution.
References in periodicals archive ?
(51) The first word of the 1853 Switzerland is "Laugh," and since even Marguerite sometimes teasingly mocks the speaker (hers is the "archest chin / Mockery ever ambush'd in" [lines 35-36]), he tacitly groups her with his teasing friends.
The Golden Archest put less fries in those kid bellies:
This time the baddies are his archest of enemies--SCORPIA.