[R] Sorting elements in a data.frame

Dan Bolser dmb at mrc-dunn.cam.ac.uk
Wed Jun 23 20:49:31 CEST 2004


On Wed, 23 Jun 2004, Liaw, Andy wrote:

>Do you mean:
>
>> pmax(x[,1], x[,2]) / pmin(x[,1], x[,2])


Magic! 

I needed a p!





>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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