[R] dataframe

stephen sefick ssefick at gmail.com
Tue Nov 25 15:09:34 CET 2008


Jim,
I learned how to use  textConnection today
thanks

On Tue, Nov 25, 2008 at 8:17 AM, jim holtman <jholtman at gmail.com> wrote:
> Does this do it for you:
>
>> x <- read.table(textConnection("abc 123 345
> + abc 345 456
> + lmn 567  345
> + hkl 568 535
> + lmn 096  456
> + lmn 768 094"))
>>
>> x
>   V1  V2  V3
> 1 abc 123 345
> 2 abc 345 456
> 3 lmn 567 345
> 4 hkl 568 535
> 5 lmn  96 456
> 6 lmn 768  94
>> x[!duplicated(x$V1),]
>   V1  V2  V3
> 1 abc 123 345
> 3 lmn 567 345
> 4 hkl 568 535
>
>
> On Mon, Nov 24, 2008 at 11:30 PM, Rajasekaramya <ramya.victory at gmail.com> wrote:
>>
>>  hi there
>>
>> I have a dataframe
>>
>> abc 123 345
>> abc 345 456
>> lmn 567  345
>> hkl 568 535
>> lmn 096  456
>> lmn 768 094
>>
>> i want the uniques of column 1 and there corresponsing column 2 and 3
>> output
>> abc 123 345
>> lmn 567  345
>> hkl 568 535
>>
>> cbind(DF1[,1],DF1[which(unique(DF1[,1]),c(2,3)])
>> but didnt work
>>
>> kindly let me know how to go abt it
>>
>> ramya
>> --
>> View this message in context: http://www.nabble.com/dataframe-tp20675022p20675022.html
>> Sent from the R help mailing list archive at Nabble.com.
>>
>> ______________________________________________
>> R-help at 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.
>>
>
>
>
> --
> Jim Holtman
> Cincinnati, OH
> +1 513 646 9390
>
> What is the problem that you are trying to solve?
>
> ______________________________________________
> R-help at 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.
>



-- 
Stephen Sefick

Let's not spend our time and resources thinking about things that are
so little or so large that all they really do for us is puff us up and
make us feel like gods.  We are mammals, and have not exhausted the
annoying little problems of being mammals.

								-K. Mullis



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