A study on atmospheric pressure in krg using spatial regression (SAR and SEM)

Sham Azad Rahim; Mohammad Mahmood Faqe Hussein

doi:10.25212/lfu.qzj.5.4.33

توێژەران

Sham Azad Rahim Statistics and Computer department, College of Commerce, University of Sulaimani, Sulaimani, Kurdistan Region, Iraq
Mohammad Mahmood Faqe Hussein Statistics and informatics department, College of Administration & Economic, university of Sulaimani, Sulaimani, Kurdistan Region, Iraq

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https://doi.org/10.25212/lfu.qzj.5.4.33

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Spatial regression, SAR model, SEM model, Lagrange multiplier test, Moran test

پوختە

The development of using location analysis in all aspects of life encouraged us to use it in this paper for analyzing weather in some Kurdistan regions which are (Sulaimaniyah, Erbil and Duhok) based on the data recorded by the devices placed in 27 different areas which had been recording the climate for all months during 2015. Moran test is used to check spatial dependency in a data and Spatial autoregressive model (SAR), spatial error model (SEM) is created also Lagrange test used to select the significant and alternative spatial model between (SAR and SEM). Different criteria or measures like (R2adj, RMSE, MAPE, AICc) are used for finding the best fit model also for all of them used (rook, bishop and queen) matrixes to specify the spatial correlation. The important result in the practical part shows that SAR model for queen and rook matrixes is significant while SEM model is not significant for all three matrixes and SAR model for queen matrix is best appropriate model.

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سەرچاوەکان

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