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math.ST2022
Kendall's tau estimator for bivariate zero-inflated count data
Elisa Perrone, Edwin R. van den Heuvel, Zhuozhao Zhan
In this paper, we extend the work of Pimentel et al. (2015) and propose an adjusted estimator of Kendall's for bivariate zero-inflated count data. We provide achievable lower a…
math.ST2018
Geometry of Discrete Copulas
Elisa Perrone, Liam Solus, Caroline Uhler
Multivariate distributions are fundamental to modeling. Discrete copulas can be used to construct diverse multivariate joint distributions over random variables from estimated univ…