Re: [R] Sorting / editing a table

From: Wacek Kusnierczyk <Waclaw.Marcin.Kusnierczyk_at_idi.ntnu.no>
Date: Thu, 10 Jul 2008 12:34:05 +0200

Jörg Groß wrote:
> Hi,
>
> I have a problem sorting a table;
>
> When I read a table into R by x <- read.table() I get something like
> this:
>
> V1 V2 V3
> yes 1 3
> no 2 6
> yes 3 9
> no 4 12
>
> Now I want to generate a vector of V2.
> But R should only put in the numbers of V2 into the new vector when
> there is the entry "yes" in V1.
>
> How can I realize that?
>

x[x$V1=="yes","V2"]

vQ



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