Abstract and Applied Analysis

Profile Inferences on Restricted Additive Partially Linear EV Models

Xiuli Wang

Full-text: Open access

Abstract

We consider the testing problem for the parameter and restricted estimator for the nonparametric component in the additive partially linear errors-in-variables (EV) models under additional restricted condition. We propose a profile Lagrange multiplier test statistic based on modified profile least-squares method and two-stage restricted estimator for the nonparametric component. We derive two important results. One is that, without requiring the undersmoothing of the nonparametric components, the proposed test statistic is proved asymptotically to be a standard chi-square distribution under the null hypothesis and a noncentral chi-square distribution under the alternative hypothesis. These results are the same as the results derived by Wei and Wang (2012) for their adjusted test statistic. But our method does not need an adjustment and is easier to implement especially for the unknown covariance of measurement error. The other is that asymptotic distribution of proposed two-stage restricted estimator of the nonparametric component is asymptotically normal and has an oracle property in the sense that, though the other component is unknown, the estimator performs well as if it was known. Some simulation studies are carried out to illustrate relevant performances with a finite sample. The asymptotic distribution of the restricted corrected-profile least-squares estimator, which has not been considered by Wei and Wang (2012), is also investigated.

Article information

Source
Abstr. Appl. Anal., Volume 2013 (2013), Article ID 594391, 9 pages.

Dates
First available in Project Euclid: 27 February 2014

Permanent link to this document
https://projecteuclid.org/euclid.aaa/1393512050

Digital Object Identifier
doi:10.1155/2013/594391

Mathematical Reviews number (MathSciNet)
MR3108619

Zentralblatt MATH identifier
07095148

Citation

Wang, Xiuli. Profile Inferences on Restricted Additive Partially Linear EV Models. Abstr. Appl. Anal. 2013 (2013), Article ID 594391, 9 pages. doi:10.1155/2013/594391. https://projecteuclid.org/euclid.aaa/1393512050


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