2020•Communication in Statistics- Theory and MethodsRequires access

The consistency and convergence rate for the nearest neighbor density estimator based on φ-mixing random samples

Zhengliang Lu, Shengnan Ding, Fei Zhang, Rui Wang, Xuejun Wang

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Abstract

In this work, we mainly investigate the consistency and strong convergence rate for the nearest neighbor density estimator based on φ-mixing random samples. The weak consistency, complete consistency, the rates of complete consistency and strong consistency for the nearest neighbor estimator of density function based on φ-mixing random samples are established. The results obtained in the article extend some corresponding ones for independent samples.

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What this paper is about

In this work, we mainly investigate the consistency and strong convergence rate for the nearest neighbor density estimator based on φ-mixing random samples. The weak consistency, complete consistency, the rates of complete consistency and strong consistency for the nearest neighbor estimator of density function based on φ-mixing random samples are established. The results obtained in the article extend some corresponding ones for independent samples.

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Available abstract

In this work, we mainly investigate the consistency and strong convergence rate for the nearest neighbor density estimator based on φ-mixing random samples. The weak consistency, complete consistency, the rates of complete consistency and strong consistency for the nearest neighbor estimator of density function based on φ-mixing random samples are established. The results obtained in the article extend some corresponding ones for independent samples.

Key concepts: Consistency (knowledge bases), Strong consistency, Estimator, Mixing (physics), Mathematics, k-nearest neighbors algorithm, Convergence (economics), Rate of convergence

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