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    Article

    Wavelet Optimal Estimations for a Multivariate Probability Density Function Under Weighted Distribution

    The purpose of this paper is the pointwise estimation of a multivariate probability density function with weighted distribution using wavelet methods. New theoretical contributions are provided; Point-wise con...

    Lei Chen, Christophe Chesneau, Junke Kou, Junlian Xu in Results in Mathematics (2023)

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    Article

    Convergence Rates of Wavelet Density Estimators for Strongly Mixing Samples

    This paper considers wavelet estimations for a multivariate density function based on strongly mixing data. We first construct a linear wavelet estimator and provide a convergence rate over

    Kaili Cui, Junke Kou in Bulletin of the Iranian Mathematical Society (2021)

  3. Article

    Open Access

    Pointwise density estimation based on negatively associated data

    In this paper, we consider pointwise estimation over lp\(l^{p}\) (1≤p<∞)\((1\leq p<\infty )\) risk for a density function based on a negatively associated sample. We construct linear and nonlinear wavelet estimat...

    Huijun Guo, Junke Kou in Journal of Inequalities and Applications (2019)

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    Article

    Pointwise Wavelet Estimation of Regression Function Based on Biased Data

    In this paper, we establish wavelet estimations on pointwise \(l^{p}(1\le p<\infty )\)lp(1≤p<∞) risk for multivariate regression functions based on biased data. We firstly introduce a linear wavelet estimator and...

    Huijun Guo, Junke Kou in Results in Mathematics (2019)

  5. Article

    Open Access

    Wavelet density estimation for mixing and size-biased data

    This paper considers wavelet estimation for a multivariate density function based on mixing and size-biased data. We provide upper bounds for the mean integrated squared error (MISE) of wavelet estimators. It ...

    Junke Kou, Huijun Guo in Journal of Inequalities and Applications (2018)