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1. Removing duplicates from Rows (score: 1): Author: Jagadish Rangrej <jrangrej@yahoo.com>; Date: Tue, 27 Sep 2005 13:27:59 -0700 (PDT); I have duplicates in a table, using two columns to identify the duplicity. How can I remove the duplicates is there any single line trick ? Thanks, Jag __________________________________ Yahoo! Mail; /archives/html/s-news/2005-09/msg00092.html (8,169 bytes)
2. Re: Removing duplicates from Rows (score: 1): Author: Sundar Dorai-Raj <sundar.dorai-raj@pdf.com>; Date: Tue, 27 Sep 2005 15:42:15 -0500; Thanks, Jag See ?unique or ?duplicated. Probably you want: data[!duplicated(data[c("col1", "col2")]), ] If "col1" and "col2" are the only columns in data, then you simply need: unique(data) HTH, --su; /archives/html/s-news/2005-09/msg00093.html (8,674 bytes)

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