没人回啊

把我的sas代码出来了，希望提点意见哈

data example3_1;   
input x@@;           
time=_n_;           
cards;     
-5.02205
0.87806
2.77817
-0.32172
-0.42161
-4.5215
1.37861
2.27872
2.17883
-0.92106
1.97905
0.87916
3.77927
2.67938
-1.42051
-2.5204
-0.62029
-0.72018
-3.82007
5.08004
-0.01985
-3.11974
-1.21963
-1.31952
-6.41941
-4.5193
6.38081
3.28092
-0.81897
1.08114
-1.01875
-1.11864
-3.21853
-0.31842
-0.41831
-1.5182
-0.61809
4.28202
-2.81787
-1.91776
2.98235
3.88246
1.78257
-3.31732
4.58279
4.4829
4.38301
5.28312
2.18323
4.08334
-1.01655
4.88356
3.78367
-8.31622
-8.41611
-4.516
-1.61589
-1.71578
-0.81567
3.08444
-1.01545
-2.11534
-0.21523
;
proc gplot data=example3_1;
plot x*time=1;
symbol1 c=red I=join v=star;  
proc arima data= example3_1;
identify var=x nlag=8; 
estimate p=20;
forecast lead=10 id=time out=results;
proc print data=results;
proc gplot data=results;  
plot x*time=1 forecast*time=2/overlay;
symbol1 c=black i=join v=star;   
symbol2 c=red i=join v=star;   

run;

[此贴子已经被作者于2008-6-12 10:42:01编辑过]