Abstract
Two types of records in multivariate sequences are considered in this paper. According to the first definition, a multivariate observation is accepted as a record if it is not dominated in at least one of the coordinates of previous record and the first observation is a record. Some basic straightforward results concerning the distributions of record times and records according to this definition are given. The development of distribution theory for these types of record and also providing examples with available analytical results still involves challenging unsolved problems. Second, we consider records of bivariate sequences according to conditionally N-ordering, introduced in Bairamov (J Multivar Anal 97:797–809, 2006). The joint distributions of record times and distributions of record values are derived. Some examples, with particular underlying distributions demonstrating the availability of obtained formulae are provided.
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The author are thankful to anonymous reviewer for very valuable comments and suggestions which resulted in improvement of the presentation of this paper.
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Bayramoglu, I. On the records of multivariate random sequences. Metrika 79, 725–747 (2016). https://doi.org/10.1007/s00184-016-0575-y
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DOI: https://doi.org/10.1007/s00184-016-0575-y