What is the Difference between Agglomerative and Divisive Clustering technique?

Answer 1

Agglomerative Custering: is a type of bottom-up approach ,where it deals with each point as cluster of its own then start merging them. based on minimum distance between points until achieving number of clusters required

Divisive Clustering: top-down approach , where it treat all points as one big cluster then start dividing it until achieving number of clusters required