There are three methods to select the K for K-Kmean Clustering-
- Elbow Method
- Gap Statistic method
- Average Silhouette Width method
There are three methods to select the K for K-Kmean Clustering-
There are different approaches to fix the âKâ value in K-means clustering. In those 3 techniques are famous/ widely used by research community. I will name these techniques here. For detailed analysis view respected papers
The best answer is " Based on application for which you are targeting" or you can propose your own with some changes to above techniques. Run some test cases and check which one suits well for your case.