Which of the following is the first stage of joining clusters in agglomerative hierarchical clustering?
A) by separating clusters into finer groups
B) by joining two clusters farthest away from each other
C) by joining two clusters that are not at a Euclidean distance
D) by joining two clusters that are closest to each other

Question

Quizplus · Accepted Answer

The first stage of joining clusters in agglomerative hierarchical clustering is by joining two clusters that are closest to each other. This is because the algorithm starts with each data point as its own cluster and then progressively merges the two most similar clusters until all points belong to a single cluster.

Which of the Following Is the First Stage of Joining