df = 6

df = 12

χ 2

p值

χ 2

p值

ARIMA(1,1,0)

8.9688

0.1753

12.408

0.4135

ARIMA(0,1,1)

3.5783

0.7335

7.7999

0.8006

ARIMA(0,1,2)

4.8535

0.5627

6.8126

0.8697

ARIMA(2,1,0)

8.7234

0.1897

11.482

0.4881

ARIMA(1,1,1)

5.6635

0.4619

7.3736

0.832

ARIMA(2,1,1)

5.2502

0.5121

7.1655

0.8465

ARIMA(1,1,2)

3.9477

0.6838

6.0152

0.9153