Muhammad Subianto <[EMAIL PROTECTED]> writes:
> Dear R-helper,
> I have a data set like:
>
> OLDa
> ALL
> OLDc
> OLDa
> OLDb
> NEW
> OLDb
> OLDa
> ALL
> . . .
> ALL
> OLDc
> NEW
>
> I want to convert that data as OLDa=1, OLDb=2, OLDc=3, NEW=4 and ALL=5
> or the result like:
>
> 1
> 5
> 3
> 1
> 2
> 4
> 2
> 1
> 5
> . . .
> 5
> 3
> 4
>
> How can I do it. Thanks you for your help.
I'd do it like this:
> x <- scan(what="")
1: OLDa
2: ALL
3: OLDc
4: OLDa
5: OLDb
6: NEW
7: OLDb
8: OLDa
9: ALL
10:
Read 9 items
> f <- factor(x,levels=c("OLDa", "OLDb", "OLDc", "NEW", "ALL") )
> as.integer(f)
[1] 1 5 3 1 2 4 2 1 5
--
O__ ---- Peter Dalgaard Blegdamsvej 3
c/ /'_ --- Dept. of Biostatistics 2200 Cph. N
(*) \(*) -- University of Copenhagen Denmark Ph: (+45) 35327918
~~~~~~~~~~ - ([EMAIL PROTECTED]) FAX: (+45) 35327907
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