SOM 一种有效的用于高维数据可视化的软件，能将高维数据间复杂的非线性统计关系转化为低维空间中简单的几何关系。

-The SOM is a new effective software tool for the visualization of high-dimensional data. It converts complex nonlinear statistical relationships between　high­　dimensional data　

items into simple geometric relationships on a low-dimensional display.