[R] extract elements
Romain Francois
rfrancois at mango-solutions.com
Wed Jun 20 13:11:39 CEST 2007
Romain Francois wrote:
> Manuele Pesenti wrote:
>> Dear R users,
>> just another little question... are there other ways, I mean more
>> easy to write, to obtain the same result I got with:
>>
>> data[95:length(dati[,1]), ]
>>
>> where data is a data frame
>>
>> to extract the last elements starting from a fixed position?
>>
>> thank you very much
>>
>> best regards
>> Manuele PEsenti
>>
> Hello,
>
> tail can do it:
>
> R> tail( data, -95)
>
> Cheers,
>
> Romain
Oops, almost, should be :
R> tail( data, -94)
What about a `start` argument in tail ? That'd be a bit more
user-friendly, ...
Cheers,
Romain
--
Mango Solutions
data analysis that delivers
Tel: +44(0) 1249 467 467
Fax: +44(0) 1249 467 468
Mob: +44(0) 7813 526 123
More information about the R-help
mailing list