Local linear extrapolation

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  1. Department of Statistics
  2. Local linear extrapolation

Local linear extrapolation

TitleLocal linear extrapolation
Publication TypeJournal Article
Year of Publication2003
AuthorsLi, XC, Heckman, NE
JournalJOURNAL OF NONPARAMETRIC STATISTICS
Volume15
Pagination565-578
Date PublishedAUG-OCT
Type of ArticleArticle
ISSN1048-5252
Keywordsbandwidth selection, local linear estimation, prediction
AbstractA local linear estimator is proposed for extrapolating beyond the range of independent regression data. The asymptotic bias and variance of the local linear extrapolant are presented and used to calculate the asymptotic mean squared error. Three procedures are considered for choice of the bandwidth: a plug-in procedure. a forward cross-validation procedure and a procedure that combines the two. All of these are, in some sense. based on minimizing the asymptotic mean squared error. A simulation study shows that the forward cross-validation procedure outperforms the other two procedures both in terms of choosing a bandwidth and in terms of accurate extrapolation. The techniques are applied to two data sets.
DOI10.1080/10485250310001605432