[R] How do you sort a data frame on a selection of columns?

Spencer Graves spencer.graves at pdf.com
Fri Jul 8 02:26:23 CEST 2005


Does "order" do what you want?

spencer graves

Briggs, Meredith M wrote:

> This is what to start with:
> 
> Data Frame      A          B	C	D
> 		c1	4	y	5
> 		c3	6	d	7
> 		c1	5	t	6
> 
> Now sort on A then C
> 
> This is what to end with:
> 
> Data Frame     A          B	C	D
> 		c1	5	t	6
> 		c1	4	y	5
> 		c3	6	d	7
> 
> I assume it is something like this:
> 
> attach(DF)
> sort(DF,partial=c(A,C))
> 
> 
> 
> Thanks in advance.
> 
> Meredith
> 		
> 
> 	[[alternative HTML version deleted]]
> 
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