[R] select row

[Leonardo Lami]

Thanks all of you for the help!
>   
>> Hi all,
>> I have a little problem selecting some rows from a
>> data.frame.
>> I'd like to select the rows where a determinated
>> column take a
>> partivolar value.
>>
>> For example:
>> tab
>>           id       x       y
>> 1    24-2005 1621814 4834991
>> 2    24-2005 1621856 4834907
>> 3    24-2005 1621763 4834956
>> 4   25-2006 1622330 4835189
>> 5   25-2006 1622533 4834834
>> 6   25-2006 1622535 4834909
>> 7   25-2006 1622543 4834803
>> 8   28-2005 1622798 4835043
>> 9   28-2005 1622299 4835129
>>
>> I'd like to select the row where id=25-2006
>>
>> I searched on the search of the R site but I did'nt
>> find anything of simple.
>> Can someone help me?
>>
>> Thank you very much
>> Leonardo
>>
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>> PLEASE do read the posting guide
>> http://www.R-project.org/posting-guide.html
>> and provide commented, minimal, self-contained,
>> reproducible code.
>>
>>     
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