Timeline for Why is k correlated with the mean and variance of the distance between centroids in k-means?
Current License: CC BY-SA 4.0
3 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Oct 30, 2019 at 20:56 | comment | added | Has QUIT--Anony-Mousse | As far as I can tell - your question doesn't discuss what exactly you use as "centroid distance", there is some ambiguity involved - the answer will still be the same: because the total sum of distances decomposes into intra and inter cluster distances, and dividing into k parts reduces by approximately k. A deviation from this trend can only be expected if you have a very good solution for k but not for k-1. Then there will be one k that is special, the others will still follow this trend. | |
| Oct 30, 2019 at 8:46 | comment | added | Jonathan | To avoid misunderstandings and presumptions, I've edited the question. | |
| Oct 28, 2019 at 6:58 | history | answered | Has QUIT--Anony-Mousse | CC BY-SA 4.0 |