What is the main difference between agglomerative and divisive hierarchical clus

What is the main difference between agglomerative and divisive hierarchical clustering?

Agglomerative starts with individual points, while divisive starts with one cluster
Agglomerative is faster than divisive
Divisive clustering is more commonly used than agglomerative
There is no difference; they are the same

What is the main difference between agglomerative and divisive hierarchical clustering?

Step 1: Understand that clustering is a way to group similar data points together.
Step 2: Know that agglomerative clustering starts with each data point as its own cluster.
Step 3: In agglomerative clustering, the algorithm merges the closest clusters together until all points are in one cluster.
Step 4: Now, understand that divisive clustering works the opposite way.
Step 5: In divisive clustering, you start with one big cluster that contains all data points.
Step 6: The algorithm then splits this big cluster into smaller clusters until each point is its own cluster.

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