APA Dictionary of Psychology

bandwidth

Updated on 04/19/2018

a range of frequencies, usually expressed in hertz (cycles per second). In information theory, it is a measure of the amount of information that a communication channel can transmit per unit of time.
the range of information available from measuring instruments. Greater bandwidth is generally associated with lower accuracy (fidelity).
a window or range of data values that contains a point of interest. The term is often used in nonparametric regression and estimation problems.

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