[R] Re move row.names column in dataframe

From: tonyxv <tonyxv_at_gmail.com>
Date: Sat, 21 Jun 2008 18:15:29 -0700 (PDT)

Hello,

aa<-c(1,1,2,2,3,3,4,4,5,5,6,6)
bb<-c(56,56,33,33,53,53,20,20,63,63,9,9) 
cc<-data.frame(aa,bb) 

uniquedf <- unique(cc)
View(uniquedf)

Why does the column "row.names" appear in the new dataframe and how do I get rid of it.

"uniquedf$row.names <- NULL" does not seem to work.

For what I'm doing this is a useless column and can cause confusion and/or problems for subsequent merging/filtering etc.

Thanks.

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Received on Sun 22 Jun 2008 - 06:47:59 GMT

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