Abstract
An expert system which supports analysis of customers' data for sales forecast with multiple regression analysis is proposed and is evaluated. This system uses the following two steps in conjunction. In the first step, a rule-base of an expert system which is constructed by eliciting expert analysts' knowledge gets an intermediate regression equation by checking statistical data calculated by a multiple regression analysis tool. And in the second step, expert analysts improve the equation interactively. Finally, effects of the proposed method is clarified in application to a deriving process of sales forecast equation for apparel goods.
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