Good afternoon, This is regarding clustering procedures in SAS. In this case, fasclus. I'm clustering a portfolio of 1 million customers in Jan 2016 based on profit, volume of transactions, and size of transactions. I found 6 clusters, numbered 1 to 6 in the output of my fastclus procedure. If I rerun my clustering in Jan 2015, will each of clusters retain the same underlying properties. For example, Cluster 1 in 2016 represents a high profit customer, with high volume and size transactions. Will Cluster 1 in 2015 reflect the same? high profit, volume and size? or will Cluster 1 be completely different? For additional context, most of the customers remain the same between 2015 and 2016, and the three variables profit, volume of transaction and size are created the same in both periods. thank you
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