Journal of Accountancy

How CPAs can use exponential smoothing in Excel for better forecasts

FORECAST.ETS applies an exponential triple smoothing (ETS) algorithm to create forecasts that can include trend and seasonal ...
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

Weight Factor Selection in Double Exponential Smoothing Enrollment Forecasts

This is a preview. Log in through your library . Abstract The merits of double exponential smoothing are discussed relative to other types of pattern-based enrollment forecasting methods. The basic ...
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 ...