Forecasting

Two notes for two fellows,I do really care -
Note One@ieferdaus
Forecasting is classified into four basic types-
a. Qualitative
b. Time series analysis
c. Casual relationship
d. Simulation
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Note Two@hrtawhid
In OM Demand Management is a planning methodology used to Forecast, Plan for & Manage the demand for products and services.

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The purpose of demand management is to coordinate and control all of the sources of demand so the productive system can be used efficiently & the product can be delivered on time.