https://communities.sas.com/t5/SAS-Forecasting-and-Econometrics/Estimated-sales-if-there-was-no-campaign/m-p/29419#M103 Hello -<BR /> Have a look at the UCM capabilities of SAS (available both in SAS/ETS and SAS Forecast Server). Unobserved component models "decompose" the model into components, so the impact of an event can be understood in a straight forward manner.<BR /> Thanks,<BR /> Udo Wed, 16 Mar 2011 07:24:01 GMT udo_sas 2011-03-16T07:24:01Z https://communities.sas.com/t5/SAS-Forecasting-and-Econometrics/Estimated-sales-if-there-was-no-campaign/m-p/29418#M102 i got the actual spike in sales during a campaign (event period - 1 week). what i am trying to do is forecast daily sales during this 7-day period using historical daily sales in the past 1 or 2 years. then i want to compare the actual sales and the forecast, and make statements like - "because of the campaign, sales are 15% higher than what would have been the actual sales if there was no campaign"<BR /> <BR /> any suggestions on how to go about it? any particular technique that would be more appropriate here?<BR /> <BR /> thanks. Tue, 15 Mar 2011 01:55:35 GMT https://communities.sas.com/t5/SAS-Forecasting-and-Econometrics/Estimated-sales-if-there-was-no-campaign/m-p/29418#M102 datalligence 2011-03-15T01:55:35Z https://communities.sas.com/t5/SAS-Forecasting-and-Econometrics/Estimated-sales-if-there-was-no-campaign/m-p/29419#M103 Hello -<BR /> Have a look at the UCM capabilities of SAS (available both in SAS/ETS and SAS Forecast Server). Unobserved component models "decompose" the model into components, so the impact of an event can be understood in a straight forward manner.<BR /> Thanks,<BR /> Udo Wed, 16 Mar 2011 07:24:01 GMT https://communities.sas.com/t5/SAS-Forecasting-and-Econometrics/Estimated-sales-if-there-was-no-campaign/m-p/29419#M103 udo_sas 2011-03-16T07:24:01Z