آليات المفاضلة بين النماذج في التنبؤ بحجم المبيعات )الاختيار بين نموذج الانحدار ونموذج السلاسل الزمنية في التنبؤ( دراسة حالة : مؤسسة ملبنة الحضنة بالمسيلة

Abstract

Forecasting estimation is the major element in most of the management of operations, thus the functions “sales” may be considered as the function highly interested in forecasting; to estimate sales. Many methods are available in the matter either qualitative or quantitative , the qualitative methods of forecasting lead generally two low precise results ,while the quantitative methods involve numbers in their analyses. As a main example of forecasting we site the “regression analysis” which considers sales as a variable dependent to one or more of independent variables, we site also the “time series analysis” which considers the sales as a series that may be treated by the know methods related to this subject. In this paper we shall compare between the to methods; which one will be better to estimate sales.