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An Entity of Type : prov:Entity, within Data Space : webisadb.webdatacommons.org associated with source dataset(s)

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  • If there are m entities with n data elements each, then the model fitted in the log space is lnY=lnA+??M+??+ln??, where Y is a vector of size mn, A is a matrix of [a1 a2 . . . am] (a1 being the base sale for data set 1 and am for data set m), M is the corresponding vector of markdowns, ?? is the shared price sensitivity factor, and ?? is the vector of n shared seasonal indices.
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