I want to forecast for seasonal arima for weekly data. so with this regard, should i consider 1,12 or 1,52. and wat is the method of interpretation proc arima data= Banana; identify var= price(1,12) nlag=15; run; proc arima data= Banana; identify var= price(1,12) nlag=15; estimate p=(1)(12) q=(1)(12); forecast lead=5 interval=month out=sar111; run; proc arima data= Banana; identify var= price(1,52) nlag=15; run; proc arima data= Banana; identify var= price(1,52) nlag=15; estimate p=(1)(52) q=(1)(52); forecast lead=5 interval=month out=sar111; run;
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