A design-adaptive local polynomial estimator for the errors-in-variables problem

Aurore Delaigle, Jianqing Fan, Raymond J.Carroll Fan

Research output: Contribution to journalArticle

51 Scopus citations

Abstract

Local polynomial estimators are popular techniques for nonparametric regression estimation and have received great attention in the literature. Their simplest version, the local constant estimator, can be easily extended to the errors-in-variables context by exploiting its similarity with the deconvolution kernel density estimator. The generalization of the higher order versions of the estimator, however, is not straightforward and has remained an open problem for the last 15 years.We propose an innovative local polynomial estimator of any order in the errors-in-variables context, derive its design-adaptive asymptotic properties and study its finite sample performance on simulated examples. We provide not only a solution to a long-standing open problem, but also provide methodological contributions to error-invariable regression, including local polynomial estimation of derivative functions.

Original languageEnglish (US)
Pages (from-to)348-359
Number of pages12
JournalJournal of the American Statistical Association
Volume104
Issue number485
DOIs
StatePublished - Mar 2009

All Science Journal Classification (ASJC) codes

  • Statistics and Probability
  • Statistics, Probability and Uncertainty

Keywords

  • Bandwidth selector
  • Deconvolution
  • Inverse problems
  • Local polynomial
  • Measurement errors
  • Nonparametric regression
  • Replicated measurements

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