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    Partially linear varying coefficient models stratified by a functional covariate

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    Type
    Article
    Authors
    Maity, Arnab
    Huang, Jianhua Z.
    KAUST Grant Number
    KUS-CI-016-04
    Date
    2012-10
    Permanent link to this record
    http://hdl.handle.net/10754/599142
    
    Metadata
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    Abstract
    We consider the problem of estimation in semiparametric varying coefficient models where the covariate modifying the varying coefficients is functional and is modeled nonparametrically. We develop a kernel-based estimator of the nonparametric component and a profiling estimator of the parametric component of the model and derive their asymptotic properties. Specifically, we show the consistency of the nonparametric functional estimates and derive the asymptotic expansion of the estimates of the parametric component. We illustrate the performance of our methodology using a simulation study and a real data application.
    Citation
    Maity A, Huang JZ (2012) Partially linear varying coefficient models stratified by a functional covariate. Statistics & Probability Letters 82: 1807–1814. Available: http://dx.doi.org/10.1016/j.spl.2012.06.002.
    Sponsors
    Maity’s work was partly supported by Award Number R00ES017744 from the National Institute of Environmental Health Sciences. The content is solely the responsibility of the authors and does not necessarily represent the official views of the National Institute Of Environmental Health Sciences or the National Institutes of Health. Huang’s work was partly supported by grants from NSF (DMS-09-07170 and DMS-10-07618) and King Abdullah University of Science and Technology (KUS-CI-016-04). We are also grateful to two anonymous reviewers for their careful evaluation of the paper and constructive comments that led to a significantly improved version of the paper.
    Publisher
    Elsevier BV
    Journal
    Statistics & Probability Letters
    DOI
    10.1016/j.spl.2012.06.002
    PubMed ID
    22904586
    PubMed Central ID
    PMC3419621
    ae974a485f413a2113503eed53cd6c53
    10.1016/j.spl.2012.06.002
    Scopus Count
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