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Seasonal adjustment or deseasonalization is a statistical method for removing the seasonal component of a time series. It is usually done when wanting to analyse the trend, and cyclical deviations from trend, of a time series independently of the seasonal components.
The seasonally adjusted annual rate (SAAR) is a rate that is adjusted to take into account typical seasonal fluctuations in data and is expressed as an annual total. SAARs are used for data affected by seasonality, when it could be misleading to directly compare different times of the year.
In time series data, seasonality refers to the trends that occur at specific regular intervals less than a year, such as weekly, monthly, or quarterly. Seasonality may be caused by various factors, such as weather, vacation, and holidays [1] and consists of periodic, repetitive, and generally regular and predictable patterns in the levels [2] of a time series.
The upbeat report came a day after the Federal Reserve delivered a third consecutive interest rate cut, but projected only two rate r ... slipped 5,000 to a seasonally adjusted 1.874 million ...
High mortgage rates and rising prices continued to put a damper on the spring homebuying season last month. Existing home sales fell 1.9% to a seasonally adjusted annual rate of 4.14 million in ...
Eligible customers can switch to a fixed rate price that doesn’t change throughout the year. The fixed rate on average is roughly 4% higher than the “time-of-day rate,” according to the utility.
The different sites of infection (shown in red) of seasonal H1N1 versus avian H5N1. This influences their lethality and ability to spread. This influences their lethality and ability to spread. US influenza statistics by flu season .
Birth rates of people who later die by suicide show disproportionate excess for April, May and June compared with the other months. Overall, the risk of suicide increases by 17% for people born in the spring–early summer compared with those born in the autumn–early winter; this risk increase was larger for women (29.6%) than for men (13.7% ...