Help using Base SAS procedures

Proc UCM model checking

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Proc UCM model checking

Hi all,

I am going to use Proc UCM for a series of sales in order to forecast them in future periods.

Before that i would like to validate my model (s) by telling SAS not to use the last n observations in the data set when creating the model, so that SAS would forecast them and therefore i could compare the actual vs the forecasted.

So i was wondering which option of UCM could help me with this validation?

Thanks in advance

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