[R] enable object name to be called as object (a dataset)

[Jim Price]

a <- 1:3
b <- 11:13
c <- 21:23

names <- c('a','b','c')

do.call(data.frame, list(sapply(names, function(x) get(x))))



runner wrote:
> 
> What I am trying to do is as follows:
> 
> - I have listed names of all wanted objects (datasets A,B,C... ) in
> current workspace as a vector: 
> 
> obj <- c('A','B','C')
> 
> - then i need to use these objects, say to extract all the 1st columns and
> bind to an existing dataset ('data'): 
>  
> for ( i in 1:3){
> newdata <- obj[i] 
> data <- cbind(data,newdata [[1]] )
> }
> 
> Obviously, it doesn't work since obj[i] is just a string of dataset name.
> Here is my question: how to call it as a original dataset? Thanks.
> 

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