[R] Sorting elements in a data.frame

Liaw, Andy andy_liaw at merck.com
Wed Jun 23 20:16:43 CEST 2004


Do you mean:

> pmax(x[,1], x[,2]) / pmin(x[,1], x[,2])
[1] 3.00 2.25 3.75 2.25

??

Andy

> From: Dan Bolser
> 
> Hi,
> 
> I have data like this....
> 
> print(x)
> 
> ID	VAL1	VAL2
> 1	2	6
> 2	4	9
> 3	45	12
> 4	99	44
> 
> What I would like is data like this...
> 
> ID	VAL1	VAL2
> 1	2	6
> 2	4	9
> 3	12	45
> 4	44	99
> 
> 
> So that my analysis of the ratio VAL2/VAL1 is somehow uniform.
> 
> Any advice is welcome!
> 
> Dan.




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