stationary

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stationary

(stā′shŭn-ĕr-ē) [L. stationarius, belonging to a station]
Remaining in a fixed condition.
References in periodicals archive ?
This means that the analyzed series are integrated series of first grade and for further analysis we will use first differences of series due to their stationariness.
We should feel as cheated if Traherne had borrowed his experience from Lucretius as we should if Wordsworth in The Prelude, describing how skating on Windermere had made him dizzy so that he seemed to see the universe in motion could be shown to have conflated the passages in Lucretius about the apparent stationariness of heavenly bodies (though they are in motion) and about the apparent whirling of their surroundings children dizzy from spinning round at play experience.(4) In Traherne, as in Wordsworth, it is important that the incidents should have taken place.
If the [r.sub.t] process is not stationary (or, to be more precise, integrated in a non-zero degree), it is usually transformed into stationariness by differentiating (the model estimation is done on the basis of [r.sub.t] increments).