PROBABILISTIC APPROACH TO THE SCHOENBERG SPLINE OPERATOR AND UNIMODAL DENSITY ESTIMATOR

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Türkiye İstatistik Derneği Dergisi
Volume:10 Issue:2
PROBABILISTIC APPROACH TO THE SCHOENBERG SPLINE OPERATOR AND UNIMODAL DENSITY ESTIMATOR

PROBABILISTIC APPROACH TO THE SCHOENBERG SPLINE OPERATOR AND UNIMODAL DENSITY ESTIMATOR

Authors : Özlem EGE ORUÇ, M Sami ERDOĞAN, Halil ORUÇ

Pages : 33-39

View : 115 | Download : 13

Publication Date : 2017-07-31

Article Type : Research Paper

Abstract :Using Chebyshev`s inequality, we provide a probabilistic proof of the uniform convergence for continuous functions on a closed interval by Schoenberg`s variation diminishing spline operator. Furthermore, we introduce a unimodal density estimator based on this spline operator and thus generalize that of Bernstein polynomials and beta density. The advantage of this method is the local property. That is, re ning the knots while keeping the degree xed of B-splines yields better estimates. We also give a numerical example to verify our results.
Keywords : Schoenberg spline operator, B spline, Uniform convergence, Jensen`s inequality, Unimodal density, Beta density

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