Journal of Inequalities and Applications

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

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