Song, Haiyan; Smeral, Egon; Li, Gang; Chen, Jason L. - 2008
used in the accuracy comparison. Section 3 introduces the measures of forecast accuracy. In
Section 4, the properties of … this study assumes that
the forecast for period t equals the number in period t-4:
4tt
y y
−
=% . (9)
3 Measures of …
forecast value and actual value of the dependent variable, respectively.
The most commonly used accuracy measures, the MAPE …