SciPy - Clustering and Distance
Which of the following best describes the output of
fcluster in scipy's hierarchical clustering?Which of the following best describes the output of fcluster in scipy's hierarchical clustering?
easy📝 Conceptual Q1 of 15
Step-by-Step Solution
Solution:
Step 1: Understand fcluster output
fclusterconverts a hierarchical clustering linkage matrix into flat clusters by assigning cluster labels to each observation.Step 2: Differentiate from other outputs
Linkage matrices (B) and dendrograms (C) are inputs or visualizations, not outputs offcluster. Distance matrices (D) are unrelated.Final Answer:
An array of cluster labels assigning each original observation to a flat cluster -> Option BQuick Check:
Output is cluster labels array [OK]
Quick Trick: fcluster returns cluster labels for each data point [OK]
Common Mistakes:
- Confusing fcluster output with linkage matrix
- Expecting a dendrogram object
- Thinking fcluster returns distances
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