Multicollinearity vs. Autocorrelation
Difference Between Multicollinearity and Autocorrelation
(statistics) A phenomenon in which two or more predictor variables in a multiple regression model are highly correlated, so that the coefficient estimates may change erratically in response to small changes in the model or data.
The cross-correlation of a signal with itself: the correlation between values of a signal in successive time periods.
a case of multiple regression in which the predictor variables are themselves highly correlated