Data clustering, or cluster analysis, is the process of grouping data items so that similar items belong to the same group/cluster. There are many clustering techniques. In this article I'll explain ...

针对传统K-means算法初始中心敏感、聚类结果不稳定等问题，武汉理工大学团队创新性地将拓扑数据分析工具——持续同调(Persistent Homology)引入聚类分析，提出PH-K-means算法。该算法通过计算最长Betti数长度确定k个初始聚类中心，在7个常用数据集上验证显示：相比K ...