Clustering with k -means: faster, smarter, cheaper. Charles Elkan University of California, San Diego April 24, 2004. Acknowledgments. Funding from Sun Microsystems, with sponsor Dr. Kenny Gross. Advice from colleagues and students, especially Sanjoy Dasgupta (UCSD),
University of California, San Diego
April 24, 2004
Sanjoy Dasgupta (UCSD),
Greg Hamerly (Baylor University starting Fall ‘04),
Source: Patrick de Smet, University of Ghent
218 means 218% worse than the best clustering known.
Lower is better.
Remove a center at left
Try the best jump according to Lemmas 1 and 2
Try a random jiggle
Conclusion: Running 10x longer is faster and better than restarting 10x.
Source: D. Pelleg.