[R] Remove double quotation marks

[Lisa]

Thanks. I also need column name "v5".

Lisa



jholtman wrote:
> 
> ?get
> 
> something like:
> 
>> 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
>> cbind(v1, v2, get(paste('v', x, sep='')))
>      v1 v2
> [1,]  0  1 0
> [2,]  1  1 1
> [3,]  0  0 1
>>
> 
> 
> On Tue, Dec 29, 2009 at 3:54 PM, Lisa <lisajca at gmail.com> wrote:
> 
>>
>> 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 <lisajca at 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 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<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 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<http://www.r-project.org/posting-guide.html>
>> and provide commented, minimal, self-contained, reproducible code.
>>
> 
> 
> 
> -- 
> Jim Holtman
> Cincinnati, OH
> +1 513 646 9390
> 
> What is the problem that you are trying to solve?
> 
> 	[[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.
> 
> 

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