sorry.. don't know unique().. such a great function
________________________________
From: Bert Gunter <gunter.ber...@gene.com>
Cc: "r-help@r-project.org" <r-help@r-project.org>
Sent: Tuesday, January 28, 2014 2:21 PM
Subject: Re: [R] unique rows
Inline.
-- Bert
Bert Gunter
Genentech Nonclinical Biostatistics
(650) 467-7374
"Data is not information. Information is not knowledge. And knowledge
is certainly not wisdom."
H. Gilbert Welch
> Hi, I wanted to remove redundant rows (with same entry in columns) in a data
> frame. For example, with this data frame:
>
>> dat<-cbind(x=c('a','a','b','b','c','c'),y=c('x','x','d','s','g','g'))
## this is not a data frame.
And would you kindly explain why you posted here instead of reading ?unique.
-- Bert
>> dat
> x y
> [1,] "a" "x"
> [2,] "a" "x"
> [3,] "b" "d"
> [4,] "b" "s"
> [5,] "c" "g"
> [6,] "c" "g"
>
> after removing the redundancy, the end results should be
>
> x y
> [1,] "a" "x"
> [2,] "b" "d"
> [3,] "b" "s"
> [4,] "c" "g"
>
> what is the best way to do this?
>
> Thanks
>
> John
> [[alternative HTML version deleted]]
>
>
> ______________________________________________
> R-help@r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>
[[alternative HTML version deleted]]
______________________________________________
R-help@r-project.org mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
