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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 ?
Sachatello was the first to suggest a role for the axillary arch muscle in the hyperabduction syndrome; reported a patient with high-grade intermittent obstruction of the axillary vein due to the anomalous AAM.
Axillary arch muscle has been implicated in the costo-clavicular compression, axillary vein entrapment and median nerve entrapment.
Innervation of Muscular Axillary Arch by a Branch from Pectoral Loop