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:: Volume 12, Issue 1 (9-2015) ::
JSRI 2015, 12(1): 83-104 Back to browse issues page
Statistical Inference in Autoregressive Models with Non-negative Residuals
S. Zamani Mehryan *, A. Sayyareh
, s.zamani121@yahoo.com
Abstract:   (1760 Views)

Normal residual is one of the usual assumptions of autoregressive models but in practice sometimes we are faced with non-negative residuals case.

In this paper we consider some autoregressive models with non-negative residuals as competing models and we have derived the maximum likelihood estimators of parameters based on the modified approach and EM algorithm for the competing models. Also, based on the simulation study, we have compared the ability of some model selection criteria to select the optimal autoregressive model. Then we consider a set of real data, level of lake Huron 1875-1930, as a data set generated from a first order autoregressive model with non-negative residuals and based on the model selection criteria we select the optimal model between the competing models.

Keywords: Autoregressive model, Kullback-Leibler information, model selection criterion, modified maximum likelihood.
Full-Text [PDF 238 kb]   (609 Downloads)    
Type of Study: Research | Subject: General
Received: 2015/11/14 | Accepted: 2015/11/14 | Published: 2015/11/14
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Zamani Mehryan S, Sayyareh A. Statistical Inference in Autoregressive Models with Non-negative Residuals . JSRI. 2015; 12 (1) :83-104
URL: http://jsri.srtc.ac.ir/article-1-27-en.html


Volume 12, Issue 1 (9-2015) Back to browse issues page
مجله‌ی پژوهش‌های آماری ایران (علمی - پژوهشی) Journal of Statistical Research of Iran JSRI
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