Jeffrey,
You can try
> as.numeric(state)
[1] 6 5 4 2 2 3 8 8 4 7 2 7 4 4 5 6 5 3 8 7 4 2 2 8 5 1 2 7 7 1
HTH,
Jorge
On Sat, Sep 25, 2010 at 5:51 PM, Jeffrey Cexun Cai <> wrote:
> >
> > Dear Sir/Madam,
> >
> > I have a quick question, which I hope someone can help.
> >
> > I am using the levels function in R, which helps to summarize the number
> of
> > factors that I have in a vector in an ordered manner.
> >
> > Using an already existing example:
> >
> > > state <- c("tas", "sa", "qld", "nsw", "nsw", "nt", "wa", "wa",
> > "qld", "vic", "nsw", "vic", "qld", "qld", "sa", "tas",
> > "sa", "nt", "wa", "vic", "qld", "nsw", "nsw", "wa",
> > "sa", "act", "nsw", "vic", "vic", "act")
> >
> > > statef <- factor(state)
> >
> > > levels(statef)
> >
> > [1] "act" "nsw" "nt" "qld" "sa" "tas" "vic" "wa"
> >
> >
> > I will now like to go through the entire vector "state", and generate the
> > corresponding level. Using the example, there are 8 levels, and so I will
> > like to generate the corresponding vector (6, 5, 4, 2, 2, 3, .......1)
> which
> > is the "level number" corresponding to the vector "state".
> >
> > Any guidance/assistance will be much appreciated. Thank you so much!!
> >
> > sincerely,
> > Jeff
> >
>
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>
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