AbstractIn statistical time‐series analysis, signal processing, and control engineering, a transfer function is a mathematical relationship between a numerical input to a dynamic system and the resulting output. The theory of transfer functions describes how the input/output relationship is affected by the structure of the transfer function. Copyright © 2010 John Wiley & Sons, Inc.This article is categorized under: Data: Types and Structure > Time Series, Stochastic Processes, and Functional Data