[R] Getting only label column of a data frame

Gundala Viswanath gundalav at gmail.com
Mon Jun 23 04:30:29 CEST 2008


Thanks so much Jim.

- Gundala Viswanath
Jakarta - Indonesia


On Mon, Jun 23, 2008 at 11:22 AM, jim holtman <jholtman at gmail.com> wrote:
> 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
>> https://stat.ethz.ch/mailman/listinfo/r-help
>> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
>> and provide commented, minimal, self-contained, reproducible code.
>>
>
>
>
> --
> Jim Holtman
> Cincinnati, OH
> +1 513 646 9390
>
> What is the problem you are trying to solve?
>



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