Can someone explain to me. what this code is doing?
basically, i want to display the year 2008 and 2010 with the different month sold in the products. My code do not recognise xlog. Please help.
proc arima data=temp_orders;
identify var=xlog(1,12);
estimate q=(1)(12) noint method=ml;
forecast id=orderdate interval=month printall out=b;
run;
I got this error message :ERROR: Forecasting was not performed because estimation was not done.