Bratu, Mihaela - In: Annales Universitatis Apulensis Series Oeconomica 2 (2011) 13, pp. 31-31
important source of uncertainty inforecasting and we evaluate the accuracy of predictions for a variable obtained by … aggregationusing two different strategies. Actually, the accuracy is an important dimension of uncertainty. Inthis study based on data … components with variable weights, modeled usingARMA procedure, have a higher accuracy than those with constant weights or the …