[R] SORTING Arrays by index values

[John Fox]

Dear Mark,

If I understand properly what you want, then one way to do it is
acc.gp.bl.wtmn[order(as.numeric(row.names(acc.gp.bl.wtmn))),]

(Note that the rows are currently ordered by character value.)

I hope that this helps,
 John

On Tue, 4 Feb 2003, Mark G Orr wrote:

> Hello, I'm somewhat new to R.  I've searched the archive for the last year
> and tried to consult the manual pages for the following problem, but did
> not find an answer.
>
> I want to sort an array by the index values.  Here is the array
>
> >acc.gp.bl.wtmn
>         Gp17       Gp4
> 1  0.5703125 0.6406250
> 10 0.7812500 0.7109375
> 11 0.8046875 0.7343750
> 12 0.8359375 0.7890625
> 13 0.8515625 0.7109375
> 14 0.8281250 0.7343750
> 15 0.8671875 0.7812500
> 16 0.8125000 0.7578125
> 17 0.7734375 0.7500000
> 18 0.8000000 0.7800000
> 19 0.8700000 0.7300000
> 2  0.8046875 0.7265625
> 20 0.8300000 0.7400000
> 21 0.7500000 0.8000000
> 22 0.7700000 0.7600000
> 23 0.8200000 0.7800000
> 24 0.7600000 0.7400000
> 25 0.8100000 0.8000000
> 3  0.7578125 0.7812500
> 4  0.8203125 0.7890625
> 5  0.7890625 0.7421875
> 6  0.7265625 0.7812500
> 7  0.8125000 0.7421875
> 8  0.8515625 0.7265625
> 9  0.8203125 0.6953125
>
> My question is:  How do I sort by the first index (the values are 1:25)
> without losing the associated values per index value for the two
> columns(Gp17 and Gp4).  I want ascending order (1:25) of the index values.
>
> Thank you in advance.
>
> -Mark Orr
>
>
>
> Postdoctoral Fellow
> Psychology Dept.
> Carnegie Mellon Univ.
> Pittsburgh, PA 15213
>
> ______________________________________________
> R-help at stat.math.ethz.ch mailing list
> http://www.stat.math.ethz.ch/mailman/listinfo/r-help
>
>