Timeline for Is domain knowledge external validation in clustering?
Current License: CC BY-SA 4.0
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| Jun 2 at 21:21 | comment | added | Ggjj11 | I agree, but the question seems to be "I rejected using a clustering method XYZ although the internal cluster metrics (like Shilouette score etc.)" were good. I did it because I had external knowledge and knew that some metric ABC looked bad. So I feel internal vs. External cluster evaluation metrics are on topic. I do not imply that using an "external cluster evaluation metric" is "external validation". | |
| Jun 2 at 20:57 | comment | added | ttnphns | It would be so if the OP knew which observation of the sample to what "true" cluster belongs. As for present, they only "know" that the "true" cluster structure is more balanced, pronounced. This domain knowledge is not an external validation. | |
| Jun 2 at 17:45 | history | answered | Ggjj11 | CC BY-SA 4.0 |