R: [R] retrieve rows from frame assuming criterion

From: Guazzetti Stefano <Stefano.Guazzetti_at_ausl.re.it>
Date: Fri 23 Jul 2004 - 23:55:28 EST


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:Luisr@frs.fo]
> Inviato: venerdý 23 luglio 2004 15.37
> A: r-help@stat.math.ethz.ch
> 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
> Fiskirannsˇknarstovan
> Nˇat˙n 1
> P.O. Box 3051
> FR-110 Tˇrshavn
> Faroe Islands
> Phone: +298 353900
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> E-mail: luisr@frs.fo
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>
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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 00:08:12 2004

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