[R] Deleting a column in a dataframe by name

[Rolf Turner]

On 30/09/2009, at 9:32 AM, milton ruser wrote:

> x=runif(12)
> y=runif(12)
> w=runif(12)
>
> mydf<-data.frame(cbind(x,y,w))
> head(mydf)
>
> mydf<-subset(mydf, select=c(-x,-w))
> head(mydf)
>
>
	But this doesn't work if NAME1 and NAME2 are ***names***,
	as the terminology would apply.  And that is precisely the
	situation in which one would wish to apply this sort of
	technique.

		cheers,

			Rolf Turner

> On Tue, Sep 29, 2009 at 4:27 PM, Rolf Turner  
> <r.turner at auckland.ac.nz> wrote:
>
> On 30/09/2009, at 9:15 AM, milton ruser wrote:
>
> May be this:
>
> FRAME   <- FRAME[-c(NAME1, NAME2)]
> or
> FRAME<- subset(FRAME, select=(-NAME1, -NAME2))
>
> This is ridiculous advice.  Try things out before you suggest them.
>
>        cheers,
>
>                Rolf Turner
>
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