OPTIMAL LAGS NUMBER FOR MODELING OF EXPONENTIAL VARIOGRAM

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MOHAMMADZADEH M.; WAGHEI Y.

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Journal: JOURNAL OF SCIENCE (KHARAZMI UNIVERSITY) Year:2002 | Volume:2 | Issue:1-2 Page(s): 19-27

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Title

OPTIMAL LAGS NUMBER FOR MODELING OF EXPONENTIAL VARIOGRAM

Author(s)

MOHAMMADZADEH M. | WAGHEI Y. | Issue Writer Certificate

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Abstract

An important problem in spatial data analysis is variogram modeling to specify the correlation structure of data. Usually the values of a variogram estimator at different lags are used for variogram modeling. Since the number of lags affects the accuracy of the model fitted to the variogram estimates, finding an optimal value for the number of lags plays an important role in variogram modeling. In this paper a simulation study is carried out to find the optimal value of the number of lags for data generated from a Gaussian random field. The result has been used in a real practical example to fit an exponential variogram model to the variogram estimates. Then, the variogram is used in kriging to predict tuberculosis disease incidence rates in some cities of Iran.

Cites

USING KRIGING FOR STATISTICAL DISEASE MAPPING OF PULMONARY TUBERCULOSIS

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APA: Copy

MOHAMMADZADEH, M., & WAGHEI, Y.. (2002). OPTIMAL LAGS NUMBER FOR MODELING OF EXPONENTIAL VARIOGRAM. JOURNAL OF SCIENCE (KHARAZMI UNIVERSITY), 2(1-2), 19-27. SID. https://sid.ir/paper/44127/en

Vancouver: Copy

MOHAMMADZADEH M., WAGHEI Y.. OPTIMAL LAGS NUMBER FOR MODELING OF EXPONENTIAL VARIOGRAM. JOURNAL OF SCIENCE (KHARAZMI UNIVERSITY)[Internet]. 2002;2(1-2):19-27. Available from: https://sid.ir/paper/44127/en

IEEE: Copy

M. MOHAMMADZADEH, and Y. WAGHEI, “OPTIMAL LAGS NUMBER FOR MODELING OF EXPONENTIAL VARIOGRAM,” JOURNAL OF SCIENCE (KHARAZMI UNIVERSITY), vol. 2, no. 1-2, pp. 19–27, 2002, [Online]. Available: https://sid.ir/paper/44127/en

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