Statistical Science, Vol. 27, No. 4, Special Issue on Sparsity and Regularization Methods (November 2012), pp. 558-575 (18 pages) Consider a regression model with fixed design and Gaussian noise where ...
Crane, D. B., and James R. Crotty. "A Two-Stage Forecasting Model: Exponential Smoothing and Multiple Regression." Management Science 13, no. 8 (April 1966).
In the STEPAR method, PROC FORECAST first fits a time trend model to the series and takes the difference between each value and the estimated trend. (This process is called detrending.) Then, the ...