Evaluation of Clustering Quality Metrics
5 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

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?

<p>Divide a given data set into m parts, use m – 1 parts to obtain a clustering model, and use the remaining part to test the quality of the clustering</p> Signup and view all the answers

What is the difference between extrinsic and intrinsic cluster quality methods?

<p>Extrinsic methods are supervised and compare clustering against ground truth; intrinsic methods evaluate clustering without external labels.</p> Signup and view all the answers

More Like This

Use Quizgecko on...
Browser
Open
Browser
Browser