Methodological Background for Spectral Analysis, Illustrated by Studying the Number of Ukrainian Population
L. O. Yaschenko • Статистика України
(2015)
A data series usually has three components: trend, periodic (seasonal or cyclic) and random. Cyclic recurrence is periodic swings going beyond the limits of one year. The time span between the two next peaks within one year is considered as...
DOAJ
Open Access (DOAJ)