Applying Data Science: Business Case Studies Using SAS by Gerhard Svolba

Author:Gerhard Svolba [Svolba, Gerhard]
Language: eng
Format: azw3, epub
Publisher: SAS Institute
Published: 2017-03-29T04:00:00+00:00

Product Group

Figure 14.8 shows the effect of the manual overwrite by product group. You also see that the benefit of the manual overwrite cannot be seen uniformly over all product groups. There are some products groups, for example, 7 and 17, where the forecast error is increased by the forecast error in more than 75% of the cases.

Figure 14.8: Boxplot for APE_DIF by Product Group

Conclusion from the Univariate Findings

You see that the manual overwrites on average improve the forecast quality. There are, however, cases where the manual overwrites do not have a positive effect or the time effort by the demand planner is too high compared to the benefit.

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