RDF: Preprocessing with Npast=0 Gives 0 Output
(Doc ID 2357291.1)
Last updated on MARCH 20, 2019
Applies to:Oracle Retail Demand Forecasting - Version 14.1.3 and later
Oracle Retail Predictive Application Server - Version 14.1.3 and later
Information in this document applies to any platform.
In preprocessing, when setting the past weeks (npast) to zero, the preprocessing algorithm does not preprocess any of the weeks within the preprocessing window (it skips the whole preprocessing logic) for that item/store combination. In addition, any weeks that are not yet preprocessed will have incorrect output data, i.e. the rolling output measure is zero too.
While a past or future velocity of zero is not possible, the output should not be zero. It should either simply not preprocess the line (Precorsls=preoutsls=predepromosls=prebasesls=actualsls_wk), or it should not allow a value of zero for nfut and npast.
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