PEV: A Computer Program for Fuzzy Sales Forecasting

The aim of this work is the development of computer software for sales forecasting based on the experts’ opinion but incorporating also the entrepreneur’s particular knowledge of the business. The software, called PEV (PROCESSING EXTREME VALUES), provides fuzzy forecasts represented by triangular fuzzy numbers based on the experts’ sales forecasting. In a second phase, the program allows removal or mitigation of extreme values based on the business owners’ personal opinions enabling them to enrich the knowledge of the company not provided by the experts.

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