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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.
They state that the pectoralis quartus originated from the rectus sheath, and joined the inferior medial border of the fibrous band of the axillary arch, at the lateral edge of the pectoralis major muscle.
Innervation of Muscular Axillary Arch by a Branch from Pectoral Loop