通过对聚类分析及其算法的论述，从多个方面对这些算法性能进行比较，同时以儿童生长发育时期的数据为例通过聚类分析的软件和改进的K－means算法来进一步阐述聚类分析在数据挖掘中的实践应用。-Through cluster analysis and discussion of algorithms, from a number of aspects of the performance of these algorithms compared to growth and development of children at the same time period as an example of the data through cluster analysis and improvement software K-means clustering algorithm to further elaborate analysis in the practice of data mining applications.