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:: Volume 10, Issue 2 (3-2017) ::
J. of Stat. Sci. 2017, 10(2): 281-297 Back to browse issues page
The Effect of Weight Function on the Estimation of Regression Parameters under Weighted Sampling
Mahtab Tarhani , Mohammad Reaz Alavi Sayed
Abstract:   (2412 Views)

In weighted sampling as a generalization of random sampling, every observation, y, is recorded with probably proportional to a non-negative function of y. In this paper, the normal regression model is investigated under the weighted sampling for a common weight function. Parameters of the model are estimated for known and unknown weight parameters. Using simulation, efficiency of estimators is studied when they have not closed forms. As an application, the data of number of visited  patients by specialist doctors in Social Security Organization of Ahvaz in Iran (SSOAI) are analyzed.

Keywords: Weighted sampling, Weight function, Regression coefficient, Estimation
Full-Text [PDF 524 kb]   (711 Downloads)    
Type of Study: Research | Subject: Sampling
Received: 2014/08/4 | Accepted: 2015/11/28 | Published: 2017/03/12
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Tarhani M, Alavi M R. The Effect of Weight Function on the Estimation of Regression Parameters under Weighted Sampling. J. of Stat. Sci.. 2017; 10 (2) :281-297
URL: http://jss.irstat.ir/article-1-314-en.html


Volume 10, Issue 2 (3-2017) Back to browse issues page
مجله علوم آماری – نشریه علمی پژوهشی انجمن آمار ایران Journal of Statistical Sciences
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