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Two-Stage Method Based on Local Polynomial Fitting for a Linear Heteroscedastic Regression Model and Its Application in Economics

We introduce the extension of local polynomial fitting to the linear heteroscedastic regression model. Firstly, the local polynomial fitting is applied to estimate heteroscedastic function, then the coefficients of regression model are obtained by using generalized least squares method. One notewort...

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Hlavní autoři: Liyun Su, Yanyong Zhao, Tianshun Yan
Médium: Artigo
Jazyk:Inglês
Vydáno: Hindawi Limited 2012-01-01
Edice:Discrete Dynamics in Nature and Society
On-line přístup:http://dx.doi.org/10.1155/2012/696927
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