All series were initially inspected for trend and seasonality (Cyclical Component); in this case the seasonal component did not apply.
To quantify the relative significance of the seasonal component in the simulated runoff series, a seasonality index (SI) is proposed.
A seasonally adjusted series is obtained by removing the seasonal component.
Around Goma, where no dry season could be determined, time-series analyses did not identify any seasonal component in the occurrence of cholera.
Moreover, seasonality is the systematic calendar related influence that is captured by the seasonal component γ t.
Variables visually exhibiting seasonality on plots were adjusted using the SPSS multiplicative algorithm function, which yields seasonal component factors proportional to the overall series level.
That seasonal component to it, much like their clothes, is something that can happen when there is an outdoor aspect to how they work".
Finally, within the longitudinal study cohort, we observed a seasonal component to dietary intake for fruits and grains.
"Virtually anything you sell, except for toothpaste and toilet paper, has a seasonal component to it," said Frank C. Barnes, a professor of operations management at the University of North Carolina at Charlotte.
Karl E. Case, a member of the committee and the co-developer of the index, said, "The thing that spooked us is that the seasonal component got bigger.
Among more complex components, the Ornstein Uhlenbeck component was selected 13 times, whereas neither the squared-exponential covariance function nor the seasonal component were selected for a single tested feature.
