Dear Gundala,
Try this:
> ex<-paste("V",3:9,sep="")
> new.dat<-dat[,ex]
> new.dat
HTH,
Jorge
On Sun, Jan 4, 2009 at 9:36 PM, Gundala Viswanath <gunda...@gmail.com>wrote:
> Dear all,
>
> I have the following data frame:
>
> > dat
> V1 V2 V3 V4 V5 V6 V7 V8 V9
> 1 1 AAAACACCCACCCCCCCCCCCCCCCCCCCCCCCC 9.0 18 12.00 18.0 15.0 12.0 6.0
> 2 1 ACGATACGGCGACCACCGAGATCTACACTCTTCC 18.0 8 12.00 18.0 15.0 12.0 18.0
> 3 1 ACTACTGCTCCCCCCCCACTCCCCCCCCCCCCCC 15.0 8 12.00 12.0 18.0 12.0 12.0
> 4 1 ACTTATACGGCGACCACCGAGATCTACACTCTTT 15.0 6 18.00 6.0 18.0 15.0 9.0
> 5 1 CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC 21.0 21 21.00 21.0 21.0 21.0 21.0
> 6 1 CTACACTCTTTCCCTACACGCCGCTCTTCCGATC 21.0 21 21.00 21.0 21.0 21.0 21.0
> 7 1 TACACCGCCCCCCCCCATCTCCACACTCTCCCCC 12.0 21 12.00 21.0 21.0 21.0 21.0
> 8 1 TGATACGCCTACCACCGCCCTCTACACTCTCTCC 15.0 9 18.00 18.0 15.0 15.0 6.0
> 9 1 TGATACGGCGACCACCGAGATCTACACTCTCTCC 21.0 21 21.00 21.0 21.0 21.0 21.0
> 10 4 TGATACGGCGACCACCGAGATCTACACTCTTTCC 19.5 18 15.75 19.5 16.5 19.5 18.0
> 11 1 TGATACGGCGACCACCGAGGATCTACACTCTTTC 21.0 21 21.00 21.0 21.0 21.0 21.0
> 12 1 TGATACGGCGACCACCGAGGATCTCCACTCTCTC 21.0 21 21.00 21.0 21.0 21.0 21.0
> 13 2 TGCTCCGGCGACCACCGAGATCTACACTCTTTCC 18.0 8 12.00 18.0 13.5 18.0 13.5
> 14 1 TTATACGTCGACCACCGAGATCTACACTCTCTCC 18.0 18 18.00 18.0 18.0 18.0 15.0
> 15 1 TTCTCCGGCGACCACCGAGATCTACACTCTTTCC 18.0 7 9.00 18.0 12.0 18.0 15.0
> 16 1 TTCTCCGGCGACCACCGCGATCTACACTCTTTCC 18.0 7 9.00 18.0 12.0 18.0 15.0
>
>
> My question is how can I extract the column V3 up to V9 into another
> new data frame.
>
> I tried this but failed:
> str <- paste("V", 3:9, sep="")
> print(dat$str)
>
>
>
>
> - Gundala Viswanath
> Jakarta - Indonesia
>
> ______________________________________________
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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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