Table 2. Estimates of coefficients of optimal VARMA (0, 1) models.

Coefficients	Estimate	Std. error	t Value	Pr(>|t|)
${\mu }_{1,t}$	0.484	$9.24\times {10}^{-6}$	52,353	$<2\times {10}^{-16}$***
${\mu }_{2,t}$	−0.453	$8.61\times {10}^{-6}$	−52,670	$<2\times {10}^{-16}$***
${\theta }_{1,11}$	−0.953	$5.91\times {10}^{-6}$	−161,193	$<2\times {10}^{-16}$***
${\theta }_{1,12}$	0.348	$2.36\times {10}^{-6}$	147,627	$<2\times {10}^{-16}$***
${\theta }_{1,21}$	0.101	$9.44\times {10}^{-7}$	106,724	$<2\times {10}^{-16}$***
${\theta }_{1,22}$	−0.861	5.08 × 10−6	−169,620	$<2\times {10}^{-16}$***

Note:

^***implies significance at 0.0001.