Simon Fraser University

Equations for the Smoothing Models

The ARIMA model equivalency to the additive version of Winters method is the ARIMA(0,1,p+1)(0,1,0) p model The moving-average form of the equation is For the additive version of Winters method (see ...
JSTOR Daily

Adaptive Exponential Smoothing Revisited

https://doi.org/10.2307/2581393 • https://www.jstor.org/stable/2581393 Copy URL Adaptive exponential smoothing models are designed to improve performance by letting ...
Simon Fraser University

Forecasting Methods

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 ...
Harvard Business School

Quantile Forecasts of Product Life Cycles Using Exponential Smoothing.

Guo, Xiaojia, Kenneth C. Lichtendahl Jr., and Yael Grushka-Cockayne. "Quantile Forecasts of Product Life Cycles Using Exponential Smoothing." Harvard Business School Working Paper, No. 19-038, October ...