3. Seasonal effect - dummy variables were employed where the reference season was winter.
"The cumulative analysis favors the presence of annual modulation," he said, referring to the seasonal effect.
A significant seasonal effect was also found on CVYV concentrations in cucumber.
SOUTHAMPTON Southampton Cultural Center "Autumn Light," focusing on light and its seasonal effect on the East End landscape.
Now, Mr. Turner said, natural gas prices have "seen their winter peak and they will get a seasonal effect, dragging down gas prices".
Peeler, however, attributed the increase to a "seasonal effect", brought on by "people opening and closing windows more often in the summer".
Chilly fall weather often means a good night's sleep for adults, but the seasonal effect on an infant's room may keep some new parents awake and obsessing.
An annual seasonal effect was adjusted for.
A seasonal effect in this area is also observed.
The seasonal effect was similar to the auroral ionosphere.
There is a surprisingly robust seasonal effect in the stock market.
