data day1;
input cchen@@;
time=intnx('28','01jan1969'd,_n_-1);
format time monyy.;
cards;
10 15 10 10 12 10 7 7 10 14 8 17
14 18 3 9 11 10 6 12 14 10 25 29
33 33 12 19 16 19 19 12 24 15 36 29
26 21 17 19 13 20 24 12 6 14 6 12
9 11 17 12 8 14 14 12 5 8 10 3
16 8 8 7 12 6 10 8 10 5
;
proc gplot data=day1;
plot cchen*time;
symbol i=join v=star cv=red ci=green;
proc arima data=day1;
identify var=cchen nlag=24;
run;
输出窗口为什么什么都没有啊