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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 ?
Lawson's work provides new insights into how vascular systems use the forces of existing blood flow to initiate the growth of new vessels.Focusing on the development of the fifth and sixth aortic arches in the zebrafish, Dr.
Papaioannou of Harvard Medical School found that embryonic mice without Tbx1 have malformations of the aortic arches, which become the major arteries leaving the heart.
Napoli of the University of California, San Diego, and colleagues found lipid-rich lesions in the aortic arches and abdominal aortas of all children.