聚类算法总结
http://blog.csdn.net/yaoyepeng/article/details/6281991
c版本的聚类工具，貌似各种聚类算法都比较全面
聚类中各种cluster距离度量方法
，java开源工具
Hac provides different implementations of AgglomerationMethods:
- AverageLinkage
- CentroidLinkage
- CompleteLinkage
- MedianLinkage
- SingleLinkage
- WardLinkage
- WeightedAverageLinkage
Hac is available on GitHub at .