Re: sorting one column and having the other 2 move also

[Spencer Graves <spencer.graves@pdf.com>]

?order

DF <- data.frame(a=letters[c(3, 1, 2, 4)], b=1:4)
o <- order(DF$a)
DF[o,]
> DF[o,]
 a b
2 a 2
3 b 3
1 c 1
4 d 4
> o
[1] 2 3 1 4
>

Leeds, Mark wrote:

> i have a dataframe with 3 columns
>  
> "name", "ticker" and "shares" which
> are character, chracter and integer
> respectively.
>  
> i want to sort the dataframe by
> the first column : "name"
> and have the other 2 columns
> move along with the sorted
> first column as you would expect.
>  
> i suspect it's not possible to do this so
> i will have to sort the first column by
> itself and then use some kind
> of indexing thing in a loop
> of some sort but i am
> checking first before
> i start dealing with this.
>  
>  
>                     thanks.
>  
>