Try this,
x="label freq1 freq2
news 54 35
fun 37 21
milk 19 7
food 3 3"
yourdata=read.table(textConnection(x),header=TRUE)
attached(yourdata)
flist<-c("fun","food")
yourdata[label %in% flist,]
I hope this helps,
Jorge
On Wed, Apr 23, 2008 at 3:13 AM, Dirkheld <[EMAIL PROTECTED]>
wrote:
>
> Hi,
>
> I have loaded a dataset in R :
> data =
>
> label freq1 freq2
> news 54 35
> fun 37 21
> milk 19 7
> food 3 3
> .... etc
>
> And I have a vector
> flist<-c("fun","food")
>
> Now I want to use the vector 'flist' for selecting these values from
> 'data'
> so that I get the following dataset :
> label freq1 freq2
> fun 37 21
> food 3 3
>
> When I do 'data$label==flist[1]' I get 'F T F F', so it works for one item
> in the char vector flist.
> But, when I do 'data$label==flist' I get 'F F F F' while I expected 'F T F
> T'. It seems that I can't perform this action with a vector of
> charstrings?
>
> Is there an other way to do so?
>
> --
> View this message in context:
> http://www.nabble.com/select-rows-from-data-based-on-a-vector-of-char-strings-tp16832735p16832735.html
> Sent from the R help mailing list archive at Nabble.com.
>
> ______________________________________________
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> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>
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