Estimate

Std.

t value

Pr(>|t|)

mu

2.149e−02

8.217e−05

261.552

<2e−16

ar1

−8.138e−02

4.312e−05

−1887.307

<2e−16

ar2

9.999e−01

4.111e−05

24321.228

<2e−16

ar3

−2.183e−02

4.362e−05

−500.357

<2e−16

ar4

−1.290e−01

3.582e−05

−3602.046

<2e−16

ma1

9.635e−02

6.728e−05

1432.112

<2e−16

ma2

−9.998e−01

6.755e−05

−14799.746

<2e−16

omega

4.904e−02

1.681e−02

2.918

0.00352

alpha1

3.106e−01

6.969e−02

4.456

8.33e−06

beta1

6.874e−01

5.074e−02

13.547

<2e−16