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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 ?
The arched part of the saddle must properly support the stress ribbon section of the bridge.
18 Reinforced Concrete Pipe 18 Reinforced Concrete Pipe Arched
In fact the industrial revolution in Europe demanded for large span roofs, which appeared in the form of steel trusses and Jack Arched Roofs (Maheri and Rahmani, 2003).
Now nail the arched plywood into place on both sides.
Louis, a Vogelkop's arched doorway is stable because the compressive (pushing) and tensile (pulling) forces that act on it are in equilibrium (balance).
(Built in 1929 in Akron, Ohio, Goodyear was 358m x 99m and a mere 34m high.) Designed by SIAT architects and engineered by Arup, CargoLifter looms over its flat site, its translucent membrane skin stretched taut over an arched steel structure.