Business / Finance / Autocorrelation: The correlation of a variable with itself over successive time intervals. Sometimes called serial correlation.

Autocorrelation Function (ACF)

Science / Spiders / Autocorrelation Function (ACF): the cross-correlation function of an image with itself. The ACF is centrosymmetric, and its highest peak is always in the origin, a shift position where both signal and noise contents of the image ove MORE

Spatial Autocorrelation

Science / Marine Biology / Spatial Autocorrelation: A situation in which some parameter at any location (e.g., population density) can be predicted through a knowledge of the values of the parameter in other locations MORE

Serial Covariance

Business / Finance / Serial Covariance: The covariance between a variable and the lagged value of the variable; the same as autocorrelation. MORE