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The concept of SCLM (seasonal or cyclical long memory) implies the existence of one or more spectral poles or zeros. The processes traditionally used to model such a behaviour assume the same persistence across different frequencies. In this paper, we propose semiparametric Wald and Lagrange...
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resulting increase in computational speed allows to apply robust regression techniques to moving time windows for online signal …, repeated median and deepest regression for online signal extraction. …
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