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Table 2 Stationary test table

From: Quasi-maximum exponential likelihood estimator and portmanteau test of double \(\operatorname{AR}(p)\) model based on \(\operatorname{Laplace}(a,b)\)

Test method 1% critical value 5% critical value 10% critical value t-statistic Probability
ADF test −3.451078 −2.870561 −2.571647 −16.06732 0
PP test −3.451078 −2.870561 −2.571647 −16.07588 0