Re: [R] retrieve rows from frame assuming criterion

From: Wolski <wolski_at_molgen.mpg.de>
Date: Fri 23 Jul 2004 - 23:50:37 EST

?subset

Eryk

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
>>>Fiskirannsˇknarstovan
>>>Nˇat˙n 1
>>>P.O. Box 3051
>>>FR-110 Tˇrshavn
>>>Faroe Islands
>>>Phone: +298 353900
>>>Phone(direct): +298 353912
>>>Mobile: +298 580800
>>>Fax: +298 353901
>>>E-mail: luisr@frs.fo
>>>Web: www.frs.fo
>>>
>>>______________________________________________
>>>R-help@stat.math.ethz.ch mailing list
>>>https://www.stat.math.ethz.ch/mailman/listinfo/r-help
>>>PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html

Dipl. bio-chem. Eryk Witold Wolski @ MPI-Moleculare Genetic

Ihnestrasse 63-73 14195 Berlin       'v'    
tel: 0049-30-83875219               /   \    
mail: wolski_at_molgen.mpg.de        ---W-W----    http://www.molgen.mpg.de/~wolski

______________________________________________
R-help@stat.math.ethz.ch mailing list
https://www.stat.math.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html Received on Sat Jul 24 00:04:54 2004

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