You have used k-means clustering to classify behavior of 100, 000 customers for a retail store.
You decide to use household income, age, gender and yearly purchase amount as measures. You have chosen to use 8 clusters and notice that 2 clusters only have 3 customers assigned. What should you do?
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A.
Decrease the number of clusters
B.
Increase the number of clusters
C.
Decrease the number of measures used
D.
Identify additional measures to add to the analysis