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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 ?
Twenty five percent of patients with TAAs, mostly women, have narrow 'gothic' aortic arches," said Benjamin Starnes, M.
2) During the development of the adult arterial pattern, a sequence of aortic arches forms.
The technology, approved by Health Canada, is specifically designed for patients with tight aortic arches that are traditionally difficult to seal.