Testing the Assumption of Linearity for Sales of State Company for Electrical Industries
DOI:
https://doi.org/10.33095/jeas.v18i67.1027Keywords:
أختبار الفرضية الخطية, / test of linear hypothesisAbstract
In this study, the four tests employed for non-linear dependence which is Engle (1982), McLeod &Li (1983), Tsay (1986), and Hinich & Patterson (1995). To test the null hypothesis that the time series is a serially independent and identical distribution process .The linear structure is removed from the data which is represent the sales of State Company for Electrical Industries, through a pre-whitening model, AR (p) model .From The results for tests to the data is not so clear.
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