Model Estimation
/*--------------------------------------------------------------
SAS Sample Library
Name: x12ex02.sas
Description: Example program from SAS/ETS User's Guide,
The X12 Procedure
Title: Model Estimation
Product: SAS/ETS Software
Keys: seasonal adjustment of time series
PROC: X12
Notes:
--------------------------------------------------------------*/
data sales;
set sashelp.air;
sales = air;
date = intnx( 'month', '01sep78'd, _n_-1 );
format date monyy.;
run;
proc x12 data=sales date=date;
var sales;
transform power=0;
arima model=( (0,1,1)(0,1,1) );
estimate;
run ;