Hierarchical clustering

What can we use in Hierarchical Clustering to find the right number of clusters?

• The Elbow Method

• Decision Trees

• Dendrograms

• Histograms

On which metric are based dendrograms?

• Within-cluster sum of squares

• Within-cluster variance

• MSE

• RMSE

There are two types of Hierarchical Clustering.

• True

• False

The two types of HC are which of the following?

• Agglomerative & Logistic

• Regressive & Agglomerative

• Divisive & Regressive

• Agglomerative & Divisive

Which type of Hierarchical Clustering is more commonly used?

• DBSCAN Clustering

• Divisive Hierarchical Clustering

• Agglomerative Hierarchical Clustering

• K-means Clustering