S4E25 Cluster Analysis
Quantitude
00:00
K Means Clustering
A better clustering solution is something where the gaps between these clusters are much, much bigger than the variability within those clusters. So I love this idea of a between to within ratio. And what Greg described is literally stars in a galaxy and we're simply trying to figure out where is that center of the galaxy and to which galaxy should we assign this particular star? It's a perfect visual.
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