Store segmentation using SAS clustering Baofu Ma Merchandising AUTOZONE ANALYST,MERCH RESEARCH.

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Presentation transcript:

Store segmentation using SAS clustering Baofu Ma Merchandising AUTOZONE ANALYST,MERCH RESEARCH

2 Introduction Motivation:  Need to create similar business model for stores with either similar product sales or customer GBB brand preference.  And explain these clusters in terms of demographic variables. Challenges:  Business rule requires that the store cluster size has to be greater than certain number. Enforce a minimum cluster size with proc cluster.  Explore the relationship between the clusters and demographic variables.

3 Overview of hierarchical clustering Each observation begins in a cluster by itself. The two closest clusters are merged to form a new cluster. Using Proc cluster to get the tree. Using Proc tree to get the desired cluster. 6

4 Solution Get the history of the clustering process using ODS. ods output ClusterHistory=history; proc cluster data=indatatemp METHOD=ward outtree=Tree; Search clusters which satisfy the minimum size criteria from top to bottom.

5 Example Classify autozone stores based on market share of 2 oil brands, high mileage and blends. Business rule requires minimum cluster size is 300.

6 Example Even borders. 1. Find centers of each cluster. 2. Calculate distance between store and each cluster center. 3. Reassign store to the closest cluster.

7 Example Relationship between clusters and demographic variables. Blue-positive Orange- negative

8 Thank you!