Assuming your data.frame is called "data"
data[data$PUNTAR==c("IX49","IX48"),]
is probably what you want
Stefano
> -----Messaggio originale-----
> Da: Luis Rideau Cruz [mailto:[EMAIL PROTECTED]
> Inviato: venerd� 23 luglio 2004 15.37
> A: [EMAIL PROTECTED]
> Oggetto: [R] retrieve rows from frame assuming criterion
>
>
> 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�knarstovan
> N�at�n 1
> P.O. Box 3051
> FR-110 T�rshavn
> Faroe Islands
> Phone: +298 353900
> Phone(direct): +298 353912
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> E-mail: [EMAIL PROTECTED]
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>
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