Asymptotic normality of the local linear estimation of the conditional density for functional time-series data

Xianzhu Xiong, Peiqin Zhou and Chen Ailian

Communications in Statistics - Theory and Methods, 2018, vol. 47, issue 14, 3418-3440

Abstract: This article focuses on the conditional density of a scalar response variable given a random variable taking values in a semimetric space. The local linear estimators of the conditional density and its derivative are considered. It is assumed that the observations form a stationary α-mixing sequence. Under some regularity conditions, the joint asymptotic normality of the estimators of the conditional density and its derivative is established. The result confirms the prospect in Rachdi et al. (2014) and can be applied in time-series analysis to make predictions and build confidence intervals. The finite-sample behavior of the estimator is investigated by simulations as well.

Date: 2018
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DOI: 10.1080/03610926.2017.1359292

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