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Connect Duplicated Values
dup.connect(data, id, dup.var)
dataframe contains id and duplicated values
dataframe or matrix
id column names or indexs
duplicated column names or indexs
dup.connect(data = mtcars,id = 'am',dup.var = 'cyl') dup.connect(data = mtcars, id = c('am','gear'), dup.var = c('cyl','qsec'))
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