Asymptotic properties of the normalized discrete associated-kernel estimator for probability mass function
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arXiv
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| Autores principales: | , , |
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| Formato: | Preprint |
| Publicado: |
2022
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| _version_ | 1866915142355124224 |
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| author | Esstafa, Youssef Kokonendji, Célestin C. Somé, Sobom M. |
| author_facet | Esstafa, Youssef Kokonendji, Célestin C. Somé, Sobom M. |
| contents | Discrete kernel smoothing is now gaining importance in nonparametric statistics. In this paper, we investigate some asymptotic properties of the normalized discrete associated-kernel estimator of a probability mass function. We show, under some regularity and non-restrictive assumptions on the associated-kernel, that the normalizing random variable converges in mean square to 1. We then derive the consistency and the asymptotic normality of the proposed estimator. Various families of discrete kernels already exhibited satisfy the conditions, including the refined CoM-Poisson which is underdispersed and of second-order. Finally, the first-order binomial kernel is discussed and, surprisingly, its normalized estimator has a suitable asymptotic behaviour through simulations. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2202_10078 |
| institution | arXiv |
| publishDate | 2022 |
| record_format | arxiv |
| spellingShingle | Asymptotic properties of the normalized discrete associated-kernel estimator for probability mass function Esstafa, Youssef Kokonendji, Célestin C. Somé, Sobom M. Statistics Theory 62G07, 62G20, 62G99 Discrete kernel smoothing is now gaining importance in nonparametric statistics. In this paper, we investigate some asymptotic properties of the normalized discrete associated-kernel estimator of a probability mass function. We show, under some regularity and non-restrictive assumptions on the associated-kernel, that the normalizing random variable converges in mean square to 1. We then derive the consistency and the asymptotic normality of the proposed estimator. Various families of discrete kernels already exhibited satisfy the conditions, including the refined CoM-Poisson which is underdispersed and of second-order. Finally, the first-order binomial kernel is discussed and, surprisingly, its normalized estimator has a suitable asymptotic behaviour through simulations. |
| title | Asymptotic properties of the normalized discrete associated-kernel estimator for probability mass function |
| topic | Statistics Theory 62G07, 62G20, 62G99 |
| url | https://arxiv.org/abs/2202.10078 |