100金求助
请教此时间序列作ARMA模型(p,q)应该为几阶?求各位高手相助,谢谢!!!
1980
0.00116
1981
-0.00273
1982
-0.05600
1983
0.00193
1984
0.03754
1985
0.00604
1986
-0.03921
1987
0.01724
1988
-0.00287
1989
-0.01431
1990
-0.01918
1991
0.00975
1992
-0.01128
1993
0.01160
1994
0.01487
1995
0.00427
1996
-0.01824
1997
0.00421
1998
-0.00712
1999
0.03291
2000
-0.01486
2001
-0.03621
2002
-0.01693
2003
0.03602
2004
0.00669
2005
-0.01643
2006
0.00643
[此贴子已经被作者于2008-12-19 14:42:41编辑过]