On Univariate Slash Distributions, Continuous and Discrete

Jones, M. C. (2020). On Univariate Slash Distributions, Continuous and Discrete. Annals of the Institute of Statistical Mathematics, 72 pp. 645–657.

DOI: https://doi.org/10.1007/s10463-019-00708-4

Abstract

In this article, I explore in a unified manner the structure of uniform slash and α-slash distributions which, in the continuous case, are defined to be the distributions of Y/U and Y_α/U^1/α where Y and Y_α follow any distribution on ℝ⁺ and, independently, U is uniform on (0, 1). The parallels with the monotone and α-monotone distributions of Y × U and Y_α × U^1/α, respectively, are striking. I also introduce discrete uniform slash and α-slash distributions which arise from a notion of negative binomial thinning/fattening. Their specification, although apparently rather different from the continuous case, seems to be a good one because of the close way in which their properties mimic those of the continuous case.

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