中文说明：资源描述采用matlab语言编写，案例中K=4，对二维数据分成4个类，聚类效果很好。k-means在输入样本数据不大的时候聚类速度和聚类效果都很好
English Description：
Application backgroundUsing MATLAB language, the case of K=4, the two-dimensional data into 4 categories, clustering effect is very good. K-means in the input sample data is not the time of clustering speed and clustering effect is very good