Asymptotically efficient estimation based on wavelet of expectation value in a partial linear model

  • Hua Liang*
  • , Lixing Zhu
  • , Yong Zhou
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

This paper is concerned with a semiparametric regression model Yi = θ12(Ti)+εi, i = 1, ⋯, n where the error εi is independent of Ti for each i, θ1 is an unknown constant of interest, and θ2 is an unknown function on [0, 1]. In order to obtain an asymptotically efficient estimate θ̂1wof θ1, θ2(t) is generally in the literature assumed to be a continuously differentiable function on [0, 1]. In this paper, it is constructed assuming only that θ2 is an unknown piecewise differentiable function on [0, 1]. In the process of construction, wavelet expansion is employed.

Original languageEnglish
Pages (from-to)2045-2055
Number of pages11
JournalCommunications in Statistics - Theory and Methods
Volume28
Issue number9
DOIs
StatePublished - 1999
Externally publishedYes

Keywords

  • Asymptotic efficiency
  • Partly linear model
  • Wavelet estimate

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