[R] How to extract row values?

[John Kane]

--- On Thu, 8/20/09, Peter Ehlers <ehlers at ucalgary.ca> wrote:

> From: Peter Ehlers <ehlers at ucalgary.ca>
> Subject: Re: [R] How to extract row values?
> To: "John Kane" <jrkrideau at yahoo.ca>
> Cc: r-help at r-project.org, "Henrik Kallberg" <Henrik.Kallberg at ki.se>
> Received: Thursday, August 20, 2009, 12:08 PM
> 
> John Kane wrote:
> > What you have is a one-dimensional vector.  
> Is that true?

Well for some values of one-dimentional. :)  But basically I think so for Henrik's use.  
> 
> > 
> > I think that you are up against an R default. 
> You are going to get some names no matter what you do. 
> You can always change them using the names() command,
> e.g.  names(xx) <- c("a","b", "c") to replace the v1
> v2 v3
> You could try
> unname(unlist(dat[n, ]))

Arrgh, totally missed that one.  Still, desperately rationalizing.,the names attribute is there, it's just set to NULL :)
> 
> Peter Ehlers
> 
> > 
> > --- On Thu, 8/20/09, Henrik Kallberg <Henrik.Kallberg at ki.se>
> wrote:
> > 
> >> From: Henrik Kallberg <Henrik.Kallberg at ki.se>
> >> Subject: [R] How to extract row values?
> >> To: r-help at r-project.org
> >> Received: Thursday, August 20, 2009, 7:55 AM
> >> Dear All!
> >> I'm trying to extract one specific row from a data
> frame
> >> without columnnames being included. I only want a
> >> 1-dimensional vector that consists of the specific
> data on
> >> this row. Here's an example:
> >> existing data:
> >> column names: v1v2v3
> >> Row 1            ab
> cd ef
> >> Row 2            gh
> ij kl
> >> Row 3            mn
> op qr
> >> This is what I want to extract:
> >> ab cd ef I do not want: v1v2v3
> >>             
>        ab cd ef
> >> Thank you in advance
> >> Henrik
> >> 
> >> -----Inline Attachment Follows-----
> >> 
> >> ______________________________________________
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> >> mailing list
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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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> > ______________________________________________
> > R-help at r-project.org
> mailing list
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> reproducible code.
> > 
> > 
> 


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