The description of the seasonal effect provides a better understanding of the impact this component has upon a particular series.

Many statistics are adjusted for seasonal effects but this process itself sometimes distorts results.

Thus there is a diurnal (time of day) effect and a seasonal effect.

He also said that "there is some seasonal effect involved in the huge total inflow of the past two weeks."

Thus the seasonal effects in the south are reversed.

Evidence also shows seasonal effects on mood and behavior.

Similarly seasonal effects may distort the situation if this is not taken into account.

Although five different quarters are involved, each kind of quarter (1st, 2nd, 3rd, 4th) carries equal weight and so the seasonal effect is eliminated.

To isolate the trend, we must use a moving average of such period as to eliminate the seasonal effects.

He discussed seasonal effects on markets, and business strategy among other things.