[R] Placing a column name in a variable XXXX

[jim holtman]

In this case you want to use a 'list' since you want character and
numerics returned:

> JOBSTAT<-rnorm(10)
>
>
> # new function that does not return 'x'
>
> CInew <-function(x,alpha){
+ list(variable = deparse(substitute(x)), mean=mean(x), alpha = alpha)
+ }
>
> CInew(JOBSTAT, 0.05)
$variable
[1] "JOBSTAT"

$mean
[1] -1.113034

$alpha
[1] 0.05

>
>


On Sat, Aug 27, 2011 at 6:58 PM, Dan Abner <dan.abner99 at gmail.com> wrote:
>
>
> I want to it return:
>
> Variable     Mean        alpha
> JOBSTAT  -0.1240675  0.05
>
> How do I get the function parameter x to equal the name of the object that
> is specified as x as a character string?
>
>
> On Sat, Aug 27, 2011 at 6:41 PM, jim holtman <jholtman at gmail.com> wrote:
>>
>> The function is doing exactly what you are telling it to do.  You have
>> 'cbind(x, mean(x), alpha)' which is creating a matrix where the first
>> column is all the values in 'x' and the next two are the recycled
>> values of mean and alpha.  Is this what you want:
>>
>> > JOBSAT<-rnorm(10)
>> >
>> > CI<-function(x,alpha){
>> + cbind(x,mean=mean(x),alpha)
>> + }
>> > CI(JOBSAT,.05)
>>               x       mean alpha
>>  [1,]  0.8592324 -0.1240675  0.05
>>  [2,] -0.3128362 -0.1240675  0.05
>>  [3,] -2.0042218 -0.1240675  0.05
>>  [4,] -0.4675232 -0.1240675  0.05
>>  [5,] -0.5776273 -0.1240675  0.05
>>  [6,]  1.5696650 -0.1240675  0.05
>>  [7,]  0.8070593 -0.1240675  0.05
>>  [8,] -0.8257525 -0.1240675  0.05
>>  [9,]  0.6167636 -0.1240675  0.05
>> [10,] -0.9054347 -0.1240675  0.05
>> >
>> > # new function that does not return 'x'
>> >
>> > CInew <-function(x,alpha){
>> + c(mean=mean(x), alpha = alpha)
>> + }
>> > CInew(JOBSAT,.05)
>>      mean      alpha
>> -0.1240675  0.0500000
>>
>>
>> On Sat, Aug 27, 2011 at 5:38 PM, Dan Abner <dan.abner99 at gmail.com> wrote:
>> > Hi everyone,
>> >
>> > How does one place an object name (in this case a vector name) into
>> > another
>> > object (while essentially masking the values of the first object?
>> >
>> > For example:
>> >
>> >> JOBSAT<-rnorm(40)
>> >>
>> >> CI<-function(x,alpha){
>> > + result<-cbind(x,mean=mean(x),alpha)
>> > + print(result)
>> > + }
>> >> CI(JOBSAT,.05)
>> >
>> > I want this to return:
>> >
>> > Variable    mean              alpha
>> > JOBSTAT 0.02844131  0.05
>> > Instead, I am getting:
>> >
>> >                x       mean alpha
>> >  [1,] -1.07694997 0.02844131  0.05
>> >  [2,] -1.13910850 0.02844131  0.05
>> >  [3,] -0.21922026 0.02844131  0.05
>> >  [4,]  0.38618008 0.02844131  0.05
>> >  [5,] -1.24303799 0.02844131  0.05
>> >  [6,] -0.74903752 0.02844131  0.05
>> >  [7,]  0.96136975 0.02844131  0.05
>> >  [8,] -0.38891237 0.02844131  0.05
>> >  [9,] -0.20195871 0.02844131  0.05
>> > [10,]  0.78104508 0.02844131  0.05
>> > [11,]  0.87468778 0.02844131  0.05
>> > [12,] -1.89131480 0.02844131  0.05
>> >
>> >
>> > Thank you!
>> >
>> > Dan
>> >
>> > [13,]  0.74377795 0.02844131  0.05
>> > [14,] -0.60006285 0.02844131  0.05
>> > [15,] -0.76661652 0.02844131  0.05
>> > [16,]  1.06005258 0.02844131  0.05
>> > [17,]  0.02173877 0.02844131  0.05
>> > [18,] -0.36558980 0.02844131  0.05
>> > [19,] -1.92481588 0.02844131  0.05
>> > [20,] -0.50337507 0.02844131  0.05
>> > [21,]  0.82205272 0.02844131  0.05
>> > [22,]  1.59277572 0.02844131  0.05
>> > [23,]  0.59965718 0.02844131  0.05
>> >
>> >        [[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.
>> >
>>
>>
>>
>> --
>> Jim Holtman
>> Data Munger Guru
>>
>> What is the problem that you are trying to solve?
>
>



-- 
Jim Holtman
Data Munger Guru

What is the problem that you are trying to solve?