Figure 7. Time series plot of second differences of the original data (Linear Trend Model Δ2UNEt=0.0009-1.8E-0.5*t)

From

Forecast of Sarima Models: Αn Application to Unemployment Rates of Greece

Chaido Dritsaki

American Journal of Applied Mathematics and Statistics. 2016, 4(5), 136-148 doi:10.12691/ajams-4-5-1