seasonal adjustment

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Noun1.seasonal adjustment - a statistical adjustment made to accommodate predictable fluctuations as a function of the season of the year; "seasonal adjustments for housing starts must be made in mid-winter"
allowance, adjustment - an amount added or deducted on the basis of qualifying circumstances; "an allowance for profit"
References in periodicals archive ?
For claims, the 45-year low in the BLS survey week was revised lower to just 216k from 220k, though the NSA pattern for claims has tracked quite closely to last year's pattern, leaving the seasonal adjustment process as the likely driver of big SA holiday swings.
The company also provided outlook and based on the level of orders received in Q3 2017, expects that sales in Q4 2017 to be broadly in line with sales in the third quarter, after a seasonal adjustment for the fewer working days in the last quarter of the year.
Therefore, the BLS uses a statistical technique called seasonal adjustment to address these issues.
Additionally, the article discusses the impact of reweighting on the seasonally adjusted ECI series and changes in seasonal adjustment methodology.
1) Seasonal adjustment involves a set of statistical methods designed to remove fluctuations that normally occur at about the same time and the same magnitude each year.
The ATA's not seasonally-adjusted index, which represents the change in tonnage actually hauled by fleets before any seasonal adjustment, came in at 132.
In 1998, the PPI implemented the X-12-ARIMA Seasonal Adjustment Method; prior to that year, PPI employed the X-11 method.
We simultaneously control for both of these effects by integrating a weather adjustment step in the seasonal adjustment process.
Before seasonal adjustment, all 20 cities reported increases in June.
Residual seasonality is when a statistical process called seasonal adjustment fails to do its job.
Turek noted that the large swings in the government numbers, principally in public education, are likely due to hiring and layoff patterns occurring earlier or later than usual, which throw off the seasonal adjustment factors.
Financial dictionary: Seasonal adjustment is a technique used by statisticians to even out swings in figures which are related to the time of year.