Variation Series

Variation Series

 

a series of any numbers arranged in order of increasing value. For example, the variation series of the numbers 1, -3, 8, 2 takes the form -3, 1, 2, 8. The interval between the extreme members of a variation series is called the interval of variation, and the length of this interval is called the range. In mathematical statistics, the concept of variation series forms the basis of the theory of solutions of so-called nonparametric problems.

References in periodicals archive ?
Finally, we bring mapping up to date with a discussion of the Australian Atlas of Healthcare Variation series, which Niall Johnson presented at our 2017 conference in Melbourne.
In general, percentage variation series are stationary.
Thus, let [x.sub.t] be the percentage variation series of the cost of living index (ICV), measured by the DIEESE (Inter-union Department of Statistics and Socioeconomic Studies) (2018), from January 2008 to December 2014, and let [y.sub.t] be the variation of the IPCA that was addressed above.
According to the reconstructed interdecadal variation series, the temperature tends to be continually increasing in the foreseeable future.
Annual and semi-annual curves have been fitted both to the GRACE water storage variation series and to the tide gauge water level series, correlations between the original series and the curves have been determined, relationship of the amplitudes and phases have been investigated.
The Australian Atlas of Healthcare Variation series (Australian Commission on Safety and Quality in Health Care and National Health Performance Authority 2015, Australian Commission on Safety and Quality in Health Care and AIHW 2017)
The Australian Atlas of Healthcare Variation series has been conceived as being much more than a series of maps.
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