ARCH

(redirected from arched)
Also found in: Dictionary, Thesaurus, Medical, Legal, Idioms, Encyclopedia.
Related to arched: arced

ARCH

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 classic literature ?
He turned a wrinkled and abominable little visage to every passer-by, and to the circle of children that soon gathered round, and to Hepzibah's shop-door, and upward to the arched window, whence Phoebe and Clifford were looking down.
The high, deep, blue sky arched over Misselthwaite as well as over the moor, and she kept lifting her face and looking up into it, trying to imagine what it would be like to lie down on one of the little snow-white clouds and float about.
The length of the room ran an arched ceiling ablaze with countless radium bulbs.