Re: [R] Getting only label column of a data frame

From: jim holtman <jholtman_at_gmail.com>
Date: Sun, 22 Jun 2008 22:22:54 -0400

Wait. The first column is really the rowname. So you want this:

> row.names(x)
[1] "11145" "3545" "8951" "11097"

On Sun, Jun 22, 2008 at 10:16 PM, Gundala Viswanath <gundalav_at_gmail.com> wrote:
> Hi,
>
> How can I extract the label only from a given data frame.
>
> Fore example from this data frame.
>
>> print(dataf)
> V1 V2 V3 V4 V5 V6 V7 V8 V9
> 11145 14.3 17.1 31.2 41.7 45.8 49.8 68.6 70.6 72.9
> 3545 10.2 15.6 20.9 23.2 31.4 31.7 36.2 48.4 51.9
> 8951 15.2 17.5 20.0 21.4 32.4 49.7 51.3 58.3 58.9
> 11097 59.5 65.9 117.5 118.0 118.9 122.5 126.3 156.5 157.0
>
> I want to get the label (first) column only:
>
> 11145
> 3545
> 8951
> 11097
>
> Is there a quick way to achieve that?
> I tried this but fail:
>
> mylable <- dataf[,1]
>
> Please advice.
>
> - Gundala Viswanath
> Jakarta - Indonesia
>
> ______________________________________________
> R-help_at_r-project.org mailing list
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>

-- 
Jim Holtman
Cincinnati, OH
+1 513 646 9390

What is the problem you are trying to solve?

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Received on Mon 23 Jun 2008 - 02:25:33 GMT

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