The Semi-parametric Prediction in Nonlinear-autoregressive Model for Annual Ring Width of Pinus eldarica

The Semi-parametric Prediction in Nonlinear-autoregressive Model for Annual Ring Width of Pinus eldarica

The aim of this research is to find the regularity in frequencies of diameter increment, and determine the relationship between tree age and fluctuations in radial increment of Pine trees (Pinus eldarica). In this direction, three normal pine trees from Kelardashat site (north of Iran) were selected...

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Main Authors: Majid Kiaei, Seyyad Javad Mortazavi, Maryam Veylaki
Format: บทความวารสาร
Language:English
Published: Science Faculty of Chiang Mai University 2019
Online Access:http://it.science.cmu.ac.th/ejournal/dl.php?journal_id=8045
http://cmuir.cmu.ac.th/jspui/handle/6653943832/63891
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Institution: Chiang Mai University
Language: English
id th-cmuir.6653943832-63891
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spelling th-cmuir.6653943832-638912019-05-07T09:59:37Z The Semi-parametric Prediction in Nonlinear-autoregressive Model for Annual Ring Width of Pinus eldarica Majid Kiaei Seyyad Javad Mortazavi Maryam Veylaki The aim of this research is to find the regularity in frequencies of diameter increment, and determine the relationship between tree age and fluctuations in radial increment of Pine trees (Pinus eldarica). In this direction, three normal pine trees from Kelardashat site (north of Iran) were selected. Disks were cut down at breast height, and the annual ring width in radial axis (1974-2008) was determined by Binocular system. The additive functional-autoregressive model is considered and semi-parametric method is proposed to forecast regression function. Furthermore, the method is applied for annual ring width prediction. The results showed that the nonlinear time series model is an efficient model for prediction of annual ring width. 2019-05-07T09:59:37Z 2019-05-07T09:59:37Z 2017 บทความวารสาร 0125-2526 http://it.science.cmu.ac.th/ejournal/dl.php?journal_id=8045 http://cmuir.cmu.ac.th/jspui/handle/6653943832/63891 Eng Science Faculty of Chiang Mai University
institution Chiang Mai University
building Chiang Mai University Library
country Thailand
collection CMU Intellectual Repository
language English
description The aim of this research is to find the regularity in frequencies of diameter increment, and determine the relationship between tree age and fluctuations in radial increment of Pine trees (Pinus eldarica). In this direction, three normal pine trees from Kelardashat site (north of Iran) were selected. Disks were cut down at breast height, and the annual ring width in radial axis (1974-2008) was determined by Binocular system. The additive functional-autoregressive model is considered and semi-parametric method is proposed to forecast regression function. Furthermore, the method is applied for annual ring width prediction. The results showed that the nonlinear time series model is an efficient model for prediction of annual ring width.
format บทความวารสาร
author Majid Kiaei
Seyyad Javad Mortazavi
Maryam Veylaki
spellingShingle Majid Kiaei
Seyyad Javad Mortazavi
Maryam Veylaki
The Semi-parametric Prediction in Nonlinear-autoregressive Model for Annual Ring Width of Pinus eldarica
author_facet Majid Kiaei
Seyyad Javad Mortazavi
Maryam Veylaki
author_sort Majid Kiaei
title The Semi-parametric Prediction in Nonlinear-autoregressive Model for Annual Ring Width of Pinus eldarica
title_short The Semi-parametric Prediction in Nonlinear-autoregressive Model for Annual Ring Width of Pinus eldarica
title_full The Semi-parametric Prediction in Nonlinear-autoregressive Model for Annual Ring Width of Pinus eldarica
title_fullStr The Semi-parametric Prediction in Nonlinear-autoregressive Model for Annual Ring Width of Pinus eldarica
title_full_unstemmed The Semi-parametric Prediction in Nonlinear-autoregressive Model for Annual Ring Width of Pinus eldarica
title_sort semi-parametric prediction in nonlinear-autoregressive model for annual ring width of pinus eldarica
publisher Science Faculty of Chiang Mai University
publishDate 2019
url http://it.science.cmu.ac.th/ejournal/dl.php?journal_id=8045
http://cmuir.cmu.ac.th/jspui/handle/6653943832/63891
_version_ 1681425979682062336

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