How to extract range of colums in a data frame
x <- dat[,3:9] # I think this is what you want. On Sun, Jan 4, 2009 at 9:42 PM, Jorge Ivan Velez
<jorgeivanvelez at gmail.com> wrote:
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 <gundalav at 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
______________________________________________ R-help at r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
[[alternative HTML version deleted]]
______________________________________________ R-help at r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
Stephen Sefick Let's not spend our time and resources thinking about things that are so little or so large that all they really do for us is puff us up and make us feel like gods. We are mammals, and have not exhausted the annoying little problems of being mammals. -K. Mullis