R: [R] retrieve rows from frame assuming criterion [corrected]

From: Guazzetti Stefano <Stefano.Guazzetti_at_ausl.re.it>
Date: Sat 24 Jul 2004 - 00:03:03 EST


sorry for my previus (WRONG)
answer, as someone already pointed out
a solution could be

subset(data, PUNTAR==c("IX49","IX48"))

> -----Messaggio originale-----
> Da: Guazzetti Stefano
> Inviato: venerdý 23 luglio 2004 15.55
> A: 'Luis Rideau Cruz'; r-help@stat.math.ethz.ch
> Oggetto: R: [R] retrieve rows from frame assuming criterion
>
>
> 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
> > Phone(direct): +298 353912
> > Mobile: +298 580800
> > Fax: +298 353901
> > E-mail: luisr@frs.fo
> > Web: www.frs.fo
> >
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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 00:20:58 2004

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