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R语言中cbind和rbind区别

R语言   2010-07-11 23:16:39

cbind: 根据列进行合并,即叠加所有列,m列的矩阵与n列的矩阵cbind()最后变成m+n列,合并前提:cbind(a, c)中矩阵a、c的行数必需相符


rbind: 根据行进行合并,就是行的叠加,m行的矩阵与n行的矩阵rbind()最后变成m+n行,合并前提:rbind(a, c)中矩阵a、c的列数必需相符



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