Podcast Beta
Questions and Answers
What is the typical method used for model-based clustering?
EM, SOM, COBWEB
How is the number of clusters estimated empirically?
of clusters ≈√n/2 for a dataset of n points
What is the Elbow method used for in clustering?
Identify the turning point in the curve of sum of within cluster variance w.r.t the # of clusters
How does the Cross Validation method assess the quality of a clustering model?
Signup and view all the answers
What is the difference between extrinsic and intrinsic cluster quality methods?
Signup and view all the answers