Kizspy | Question: 17 (Choose 1 answer)
k clusters can be identified in a given dataset, but we should know what value of k should be selected. Which of the followings is NOT a method to verify the k cluster?
A. We should know how much better or worse having k clusters versus k - 1 or k + 1 clusters would be in explaining the structure of the data
B. We use a heuristic using the Within Sum of Squares (WSS) metric is examined to determine a reasonably optimal value of k.
C. The value of k can be chosen based on a reasonable guess or some predefined requirement
D. We should base on the size of dataset and analysis requirements
