The distribution of the Liu-type estimator of the biasing parameter in elliptically contoured models
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DOI: 10.1080/03610926.2015.1073315
Abstract: ABSTRACT We derive the density function of the stochastic shrinkage parameters of the Liu-type estimator in elliptical models. The correctness of derivation is checked by simulations. A real data application is also provided. read more here.
Keywords: biasing parameter; liu type; estimator biasing; type estimator ... See more keywords
Particle swarm optimization based Liu-type estimator
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DOI: 10.1080/03610926.2016.1267759
Abstract: ABSTRACT In this study, a new method for the estimation of the shrinkage and biasing parameters of Liu-type estimator is proposed. Because k is kept constant and d is optimized in Liu’s method, a (k,… read more here.
Keywords: swarm optimization; particle swarm; optimization; liu type ... See more keywords
Elliptical difference based ridge and Liu type estimators in partial linear measurement error models
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DOI: 10.1080/03610926.2018.1472793
Abstract: Abstract In this article the difference based ridge and Liu type estimators are defined in partial linear models when the covariates are measured with additive errors. It is assumed that the additive error distributed according… read more here.
Keywords: ridge liu; difference based; based ridge; partial linear ... See more keywords
Application of the Liu-type estimator in illposed problems of small baseline subsets deformation monitoring
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DOI: 10.1117/1.jrs.12.036021
Abstract: Abstract. To overcome the illposed problems existing in small baseline subsets deformation, the Liu-type estimator is used to improve the accuracy of calculation. The Liu-type estimator introduces parameter d to improve the fitting and statistical… read more here.
Keywords: small baseline; illposed problems; type estimator; liu type ... See more keywords
Liu-type pretest and shrinkage estimation for the conditional autoregressive model
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DOI: 10.1371/journal.pone.0283339
Abstract: Spatial regression models have recently received a lot of attention in a variety of fields to address the spatial autocorrelation effect. One important class of spatial models is the Conditional Autoregressive (CA). Theses models have… read more here.
Keywords: conditional autoregressive; type pretest; pretest shrinkage; type ... See more keywords
Stochastic Restricted Liu Type estimator for SUR model
Sign Up to like & getrecommendations! Published in 2018 at "Pakistan Journal of Statistics and Operation Research"
DOI: 10.18187/pjsor.v14i4.2302
Abstract: In this paper, we introduce new Stochastic Restricted Estimator for SUR model, defined by Stochastic Restricted Liu Type SUR estimator (SRLTSE) . The propose estimator has deal with multicollinearity in SUR model if there is… read more here.
Keywords: estimator; stochastic restricted; restricted liu; sur model ... See more keywords