文件名称:混合型属性-R语言多元统计分析相关课件
文件大小:11.16MB
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更新时间:2024-05-14 09:09:26
课件
混合型属性 A database may contain all attribute types Nominal, symmetric binary, asymmetric binary, numeric, ordinal 可以用加权法计算合并的影响 f is binary or nominal: dij(f) = 0 if xif = xjf , or dij(f) = 1 otherwise f is numeric: use the normalized distance f is ordinal Compute ranks rif and Treat zif as interval-scaled *