Challenge in Teaching Forecasting Don’t fabricate “real” data Only your instructor can do...

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Challenge in Teaching Forecasting Don’t fabricate “real” data Only your instructor can do that!
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    21-Dec-2015
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Transcript of Challenge in Teaching Forecasting Don’t fabricate “real” data Only your instructor can do...

Page 1: Challenge in Teaching Forecasting Don’t fabricate “real” data Only your instructor can do that!

Challenge in Teaching Forecasting

Don’t fabricate “real” dataOnly your instructor can do that!

Page 2: Challenge in Teaching Forecasting Don’t fabricate “real” data Only your instructor can do that!

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Forecasting Terminology

Initialization ExPostForecast

Forecast

Historical DataNoHistorical Data

Historical Data

Page 3: Challenge in Teaching Forecasting Don’t fabricate “real” data Only your instructor can do that!

Goals for New Forecasting Material

Have students to understand purpose—predict future Have students to look at data to evaluate models

Have students understand models by practicing forecasting on different sets of data

Page 4: Challenge in Teaching Forecasting Don’t fabricate “real” data Only your instructor can do that!

Method

ABAP Program to create consumption data

Page 5: Challenge in Teaching Forecasting Don’t fabricate “real” data Only your instructor can do that!

Method

ABAP Program creates 3 years of monthly consumption data with the following instructor options: 3 trend values 12 seasonal factors Random variation Outlier point

Page 6: Challenge in Teaching Forecasting Don’t fabricate “real” data Only your instructor can do that!

Consumption Values

Normally, consumptionvalues can only be entered once, becausethe R/3 system updatesthem automatically eachtime a sale is made

Page 7: Challenge in Teaching Forecasting Don’t fabricate “real” data Only your instructor can do that!

Forecasting Exercises

A basic forecasting exercise is available now with a basic ABAP program that loads one set of data

The flexible ABAP program is under development Designed for interactive lab or on-going forecasting practice

Powerpoints, Excel Exercises, Practice problems and Sample exams will be included

We should still teach formulas We should still teach how to program formulas in Excel But, with ERP Technology, we can have students MAKE

forecasts