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Clustering belongs to ___ data analysis

50. Clustering belongs to ___ data analysis.

1. Supervised
2. Unsupervised
3. Both A and B
4. None of the mentioned above

Answer: B) Unsupervised

Explanation:

Unsupervised data analysis includes clustering. Without any prior knowledge, the data's hidden structure is discovered and emphasized. Popular clustering techniques include K-means, K-nearest neighbors, and hierarchical clustering.