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Related to arch arteriosus, arcus arteriosus: arcus venosus dorsalis pedis, arcus venosus jugularis, Arcus venosus juguli, arcus venosus plantaris
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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.