K-means clustering algorithm
K-means clustering algorithm - ISCAS 2007
K-means clustering algorithm - ISCAS 2007
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Discussion<br />
• We note that the results are subject to sampling errors (also<br />
see the “bonus” 4-group 2d example in the Lecture 20 notes)<br />
• The jump value of the transformed distortion does get us to<br />
the neighborhood of correct K (the high values are at K=17,<br />
20, 22, 25)<br />
• Because the peak occurs at K=25, we really should have ran a<br />
few more runs at larger values of K<br />
• By comparison, the jump value of the inverted distortion<br />
selected a one-cluster result as best description