[R] r syntax

Bert Gunter gunter.berton at gene.com
Sun Apr 28 04:21:14 CEST 2013


But there is almost certainly no need to do this in the first place!

-- Bert

On Sat, Apr 27, 2013 at 3:57 PM, Rui Barradas <ruipbarradas at sapo.pt> wrote:
> Hello,
>
> You should provide us with a data example.
>
> In the following, the two solutions are completely different but both of
> them do what you want. Note that the second creates a factor variable, whose
> levels are coded as integers. See R-intro.pdf in your doc directory, chapter
> 4 Ordered and unordered factors.
>
>
> x <- sample(c("Male", "Female"), 10, replace = TRUE)
>
> y1 <- ifelse(x == "Male", 1L, 2L)
> y2 <- factor(x, levels = c("Male", "Female"))
>
>
> Hope this helps,
>
> Rui Barradas
>
> Em 27-04-2013 15:32, sgs sys escreveu:
>>
>> Hi
>>
>> i  want  to recode Male  =1  and  female  =2  in  R
>> what  is  the  syntax  for  same ?
>> thanks
>> Sameer
>>
>>         [[alternative HTML version deleted]]
>>
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>>
>
> ______________________________________________
> 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.



-- 

Bert Gunter
Genentech Nonclinical Biostatistics

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