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Q: What is irregular variation in time series?
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What are the components of time series?

secular trend, seasonal variation, cyclical variation, and irregular variation


What are the components of a time series What external factors might affect each of the different components?

secular trend , seasonal variation , cyclic variation & irregular variation population,technology;climate &weather condition,customs,traditions&habits;


What is irregular variation?

an irregular variation is one which occurs predictably and at random, usually over a very short time period. it is impossible to allow for irregular variations in forecasting rather, they are used to explain abnormalities after the event. hope this helps :-)


What is the Definition of residual variation in time series?

The irregular, unsystematic and unpredictable variations caused by some unusual events such as floods, strikes, wars, earthquakes and fires etc. are called residual variations. these variations are also known as accidental, irregular or erratic variations.


When there is no variation of R-R intervals in an ECG it is called?

irregular with a pattern


What is variations?

Cyclical variation : cyclical variations are recurrent variations in a time series usually last longer than a year. Most of the time series in business and Economics show such cyclical variation. A business cycle has four wheel defined periods : prosperity, decline, depression and improvement.


What is cyclical variations?

cyclical variation: Piece to piece variation. Often used to describe a repeating pattern, such as a seasonal variation in sales that peaks before Christmas.


What is meant by irregular motion what is its example where is it used?

It is a movement that is irregular. This motion is often produce by using a series of cam or a cam.


What may a series of helpful variation in a species result in?

Adaptation


How can you tell if your menstrual cycle is irregular?

You can tell if your menstrual cycle is irregular because you'll be menstruating or experiencing vaginal bleeding at random times. Anything up to a weeks variation from your average menstrual cycle is considered to be normal, if there are weeks or months difference then they're irregular.


What is meant by schedule variation?

A schedule variation is the difference between the time an activity is scheduled to be completed and the actual time it is completed. Any deviation in the scheduled time causes a variation.


What is another word for Deviation from the norm?

turning, diversion, alteration, breach, fluctuation, change, variation, shift