PROC IMPORT OUT= WORK.FISH 
            DATAFILE= "J:\STAT580\FISH.xls" 
            DBMS=EXCEL REPLACE;
     SHEET="FISH$"; 
     GETNAMES=YES;
     MIXED=NO;
     SCANTEXT=YES;
     USEDATE=YES;
     SCANTIME=YES;
RUN;

PROC ARIMA DATA=fish;
  identify var = Rec crosscorr = SOI;
  estimate p=2 input = (4 $ / (1) SOI) noconstant;
  forecast out = resid;
  run;
  proc print data=resid; run;
PROC ARIMA DATA=resid;
  identify var = residual; run;
quit;