This paper propose a refined self-organizing map that can directly handle categorical data or hybrid data, map the data to lower dimensions, and also uncover the similarity among data.

• 本研究针对此问题，提出改良式自组映射图，能直接处理种类型态或混合型态的资料，同时在投射后的低维度空间，反映高维度资料之间的相似度。