A method of dealing with statistics to adjust for regular annual fluctuations in figures normally caused by non economic factors, e.g. school leavers impact on unemployment, or rise in food prices in winter, so that relative comparisons can be drawn from month to month. The month's data is divided by the percentage of the average monthly figure. As a simple arithmetic adjustment it does not deal with exceptional seasonal factors such as extreme winters.
Referring to figures or statistics which are modified to take account of seasonal factors. Employment statistics, for example, are seasonally adjusted in the first quarter of a calendar year to take account of the influx of school leavers into the workforce. The device is much loved in Canberra.
Mathematically adjusted by moderating a macroeconomic indicator (e.g., oil prices/imports) so that relative comparisons can be drawn from month to month all year.
Data is seasonally adjusted to remove the impact of regular events that occur at the same time every year such as the effect of cold weather on outdoor activities, the Christmas holiday, or the summer influx of youth into the labor market.
a statistical method of adjusting economic data for seasonal differences in economic activity. For example, monthly retail sales are adjusted for the surge of buying that takes place during the end-of-year holiday season.
When statistics are adjusted to take into account seasonal factors.
a term for statistics adjusted for seasonal differences such as the varying number of working days in a quarter