[R] retrieve rows from frame assuming criterion

[Wolski]

?subset

Eryk

*********** REPLY SEPARATOR  ***********

On 7/23/2004 at 2:36 PM Luis Rideau Cruz wrote:

>>>Hi all,
>>>
>>>I have a data frame in which one column(PUNTAR) is of character type.
>>>What I want is to retrieve is the frame but only with those rows
>>>matching elements of PUNTAR with a list characters (e.g c("IX49","IX48")
>>>)
>>>
>>>Year    TUR  STODNR   PUNTAR
>>>1994  9412 94020061     IX49
>>>1994  9412 94020062     IX48
>>>1994  9412 94020063      X32
>>>1994  9412 94020065      X23
>>>1994  9412 94020066      X27
>>>1994  9412 94020067     XI19
>>>1994  9412 94020068     XI16
>>>1994  9412 94020069     XI14
>>>1994  9412 94020070      XI8
>>>1994  9412 94020071      X25
>>>1994  9412 94020072      X18
>>>1994  9412 94020073     II23
>>>1994  9412 94020074    XII33
>>>1994  9412 94020075    XII31
>>>
>>>"my.function"("frame") should be then equal to 
>>>
>>>Year TURNR   STODNR M_PUNTAR
>>>1994  9412 94020061     IX49
>>>1994  9412 94020062     IX48
>>>
>>>Thank you in advance
>>>
>>>
>>>Luis Ridao Cruz
>>>Fiskirannsóknarstovan
>>>Nóatún 1
>>>P.O. Box 3051
>>>FR-110 Tórshavn
>>>Faroe Islands
>>>Phone:             +298 353900
>>>Phone(direct): +298 353912
>>>Mobile:             +298 580800
>>>Fax:                 +298 353901
>>>E-mail:              luisr at frs.fo
>>>Web:                www.frs.fo
>>>
>>>______________________________________________
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Dipl. bio-chem. Eryk Witold Wolski    @    MPI-Moleculare Genetic   
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tel: 0049-30-83875219               /   \    
mail: wolski at molgen.mpg.de        ---W-W----    http://www.molgen.mpg.de/~wolski