Model Identification
/*--------------------------------------------------------------
SAS Sample Library
Name: x13ex01.sas
Description: Example program from SAS/ETS User's Guide,
The X13 Procedure
Title: Model Identification
Product: SAS/ETS Software
Keys: seasonal adjustment of time series
PROC: X13
Notes:
--------------------------------------------------------------*/
ods graphics on;
data sales;
set sashelp.air;
sales = air;
date = intnx( 'month', '01sep78'd, _n_-1 );
format date monyy.;
run;
proc x13 data=sales date=date;
var sales;
transform power=0;
identify diff=(0,1) sdiff=(0,1);
run;