SciPy - Clustering and Distance
What does the Davies-Bouldin Index value indicate when it is close to zero?
What does the Davies-Bouldin Index value indicate when it is close to zero?
medium📝 Conceptual Q5 of 15
Step-by-Step Solution
Solution:
Step 1: Recall Davies-Bouldin Index meaning
Lower Davies-Bouldin Index means clusters are compact and well separated.Step 2: Interpret value close to zero
A value near zero indicates very good clustering quality.Final Answer:
Clusters are well separated and compact -> Option AQuick Check:
Low Davies-Bouldin = D [OK]
Quick Trick: Lower Davies-Bouldin means better clusters [OK]
Common Mistakes:
- Thinking low value means overlapping clusters
- Confusing with silhouette score scale
- Assuming it measures outliers
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