Analysis of residuals in daily solar radiation time series |
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| Authors: | M.Yusof Sulaiman W.M. Hlaing oo Mahdi Abd. Wahab Z.Abidin Sulaiman |
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| Affiliation: | Physics Department, Faculty of Science and Environmental Studies, Universiti Pertanian Malaysia, 43400 UPM Serdang, Selangor, Malaysia |
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| Abstract: | The Box-Jenkins approach is applied to daily solar radiation data from four different locations in Malaysia. The deterministic annual component is obtained by Fourier analysis. The stochastic component of the time series is fitted to three models, ARMA (1,0), ARMA (2,0) and ARMA (1,1). Random shocks from these models are tested by Box-Pierce statistic and Ljung-Box for whiteness of residuals. Skewness and kurtosis coefficients are tested for normality. |
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