In this article, we'll describe different methods for determining the optimal number of clusters for k-means, k-medoids (PAM) and hierarchical clustering.
Determining The Optimal Number Of Clusters: 3 Must Know Methods - Datanovia
How to determine the number of clusters in a clustering algorithm - Quora
Sustainability, Free Full-Text
Clustering 8: Optimal number of clusters
DeepCob: Precise and high-throughput analysis of maize cob
Determining The Optimal Number Of Clusters: 3 Must Know Methods
Cluster validation
How to determine the number of clusters in a clustering algorithm - Quora
Sustainability, Free Full-Text
K Means, PDF, Cluster Analysis