Your script works well. Thank you very mcuh. Lisa
Nutter, Benjamin wrote: > > It seems from your example that you're assuming all of the vectors have > the same length. If this is the case, then a data.frame might be your > friend. > >> df <- data.frame( > v1 = c(0, 1, 0), > v2 = c(1, 1, 0), > v3 = c(2, 1, 2), > v4 = c(2, 2, 1), > v5 = c(0, 1, 1) ) > >> x <- 5 > >> get.var <- c("v1", "v2", paste("v", x, sep="")) > >> df[, get.var] > > Or, if you know your variables in the data.frame will be named > sequentially > >> df[, c(1, 2, x)] > > > -----Original Message----- > From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] > On Behalf Of Lisa > Sent: Tuesday, December 29, 2009 3:55 PM > To: r-help@r-project.org > Subject: Re: [R] Remove double quotation marks > > > Thank you for your help. But here I just want to combine some vectors by > column based on the numbers determined by other R script. > > For example, I have five vectors: > > v1 <- c(0, 1, 0) > v2 <- c(1, 1, 0) > v3 <- c(2, 1, 2) > v4 <- c(2, 2, 1) > v5 <- c(0, 1, 1) > > If I am going to combine the first two vectors, and one more other > vector determined by my other R script, say, vector 5. Then my R script > is > > x <- 5 > cbind(v1, v2, paste("v", x, sep = "")) > > The output is > > v1 v2 > [1,] "0" "1" "v5" > [2,] "1" "1" "v5" > [3,] "0" "0" "v5" > > This is not what I want. I want to get this: > > v1 v2 v5 > [1,] 0 1 0 > [2,] 1 1 1 > [3,] 0 0 1 > > Can you give me further suggestions or comments? Thanks a lot. > > Lisa > > > > Barry Rowlingson wrote: >> >> On Tue, Dec 29, 2009 at 6:31 PM, Lisa <lisa...@gmail.com> wrote: >>> >>> Thank you for your reply. But in the following case, "cat()" or > "print()" >>> doesn't work. >>> >>> data.frame(cbind(variable 1, variable 2, cat(paste("variable", x), >>> "\n"))), where x is a random number generated by other R script. >>> >>> Lisa >> >> Yes, because you are Doing It Wrong. If you have data that is indexed > >> by an integer, don't store it in variables called variable1, variable2 > >> etc, because very soon you will be posting a message to R-help that is > >> covered in the R FAQ... >> >> Store it in a list: >> >> v = list() >> v[[1]] = c(1,2,3,4,5) >> v[[2]] = c(4,5,6,7,8,9,9,9) >> >> then you can do v[[i]] for integer values of i. >> >> If you really really must get values of variable by name, perhaps >> because someone has given you a data file with variables called >> variable1 to variable99, then use the paste() construction together >> with the 'get' function: >> >> [ not tested, but should work ] >> >> > v1="99" >> > v2="102" >> > i=2 >> > get(paste("v",i,sep="")) >> [1] 102 >> >> Barry >> >> ______________________________________________ >> R-help@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. >> >> > > -- > View this message in context: > http://n4.nabble.com/Remove-double-quotation-marks-tp990502p990586.html > Sent from the R help mailing list archive at Nabble.com. > > ______________________________________________ > R-help@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. > > =================================== > > P Please consider the environment before printing this e-mail > > Cleveland Clinic is ranked one of the top hospitals > in America by U.S.News & World Report (2009). > Visit us online at http://www.clevelandclinic.org for > a complete listing of our services, staff and > locations. > > > Confidentiality Note: This message is intended for use\...{{dropped:13}} > > ______________________________________________ > R-help@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. > > -- View this message in context: http://n4.nabble.com/Remove-double-quotation-marks-tp990502p990599.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ R-help@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.