R help - May 2009 - how to sort data frame order by column?

I have a data frame, for exampe
> dat <- data.frame(a=rnorm(5),b=rnorm(5),c=rnorm(5))
           a            b          c
1 -0.1731141  0.002453991  0.1180976
2  1.2142024 -0.413897606  0.7617472
3 -0.9428484 -0.609312786  0.5132441
4  0.1343336  0.178208961  0.7509650
5 -0.1402286 -0.333476839 -0.4959459

How to make dat2 from dat, where source data frame be ordered by any column?

	[[alternative HTML version deleted]]

e.g.
dat[ order(dat$a), ]

On Sun, May 31, 2009 at 2:34 PM, ?????? n/a <ugoday at gmail.com>
wrote:
> I have a data frame, for exampe
>
>> dat <- data.frame(a=rnorm(5),b=rnorm(5),c=rnorm(5))
> ? ? ? ? ? a ? ? ? ? ? ?b ? ? ? ? ?c
> 1 -0.1731141 ?0.002453991 ?0.1180976
> 2 ?1.2142024 -0.413897606 ?0.7617472
> 3 -0.9428484 -0.609312786 ?0.5132441
> 4 ?0.1343336 ?0.178208961 ?0.7509650
> 5 -0.1402286 -0.333476839 -0.4959459
>
> How to make dat2 from dat, where source data frame be ordered by any
column?
>
> ? ? ? ?[[alternative HTML version deleted]]
>
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