ARCH
(redirected from ischial arch, ischiatic arch)Also found in: Dictionary, Thesaurus, Medical, Encyclopedia.
ARCH
Copyright © 2012, Campbell R. Harvey. All Rights Reserved.
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.
Farlex Financial Dictionary. © 2012 Farlex, Inc. All Rights Reserved