然而，传统自组映射图只能处理数值型资料，种类型资料必须透过编码转换成一群二元数值型态资料，因而无法反映种类型资料值之间的相似程度。
However, conventional SOMs handle only numerical data, categorical data has to be converted to Boolean data resulting in unable to disclosure the similarity among the high-dimensional data.
第二类型的一个储存格能包含的资料是数值的值。
The second kind of information that a cell can contain is a numeric value .
第二类型的一个储存格能包含的资料是数值的值。
The second kind of information that a cell can contain is a numeric value .
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