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Section checkpoint · 08

Unsupervised Learning

Use this short test to check whether the main ideas from the section are connected in your mind. A strong score means you can recognise the concepts; revisit linked lessons when an answer feels uncertain.

5questionsTarget: 4/5 or better
Question 11 point

Which concept is most appropriate for this situation: You need to partition observations into a chosen number of clusters using distance to centroids.

Question 21 point

Which concept is most appropriate for this situation: You need to apply the idea taught in “Hierarchical Clustering” and explain how its input is transformed into a valid output.

Question 31 point

Which concept is most appropriate for this situation: You need to apply the idea taught in “DBSCAN” and explain how its input is transformed into a valid output.

Question 41 point

Which concept is most appropriate for this situation: You need a lower-dimensional linear representation that preserves as much variance as possible.

Question 51 point

Which concept is most appropriate for this situation: You need to apply the idea taught in “T Sne and Umap Usage” and explain how its input is transformed into a valid output.