(5-1)
A measure of overall forecast error called mean absolute deviation.
(5-2)
A measure of forecast accuracy called mean squared error.
(5-3)
A measure of forecast accuracy called mean absolute percent error.
(5-4)
An equation for computing a moving average forecast.
(5-5)
A mathematical expression for a moving average forecast.
(5-6)
An equation for computing a weighted moving average forecast.
(5-7)
A mathematical expression for a weighted moving average forecast.
(5-8) New forecast
An equation for computing an exponential smoothing forecast.
(5-9)
Equation 5-8 rewritten mathematically.
(5-10)
Equation to update the smoothed forecast
(5-11)
Equation to update the smoothed trend value
(5-12)
Equation to develop forecast including trend (FIT) in the trend-adjusted exponential smoothing model.
(5-13)
An equation for monitoring forecasts with a tracking signal.