On 1/20/2009 11:34 AM, Simon Pickett wrote:
> Hi all,
>
> How would you create a list of data.frames within a loop, then bind all
> the elements of the list using rbind?
>
> take this example of matrices with differing numbers of rows
>
> for(i in 1:3){
> assign(paste("s",i, sep=""),matrix(data = NA, nrow = i, ncol = 3, byrow
> = FALSE, dimnames = NULL))
> }
> s1
> s2
> s3
>
> I want to bind all the matrices at the end with do.call(rbind...)
> rather than listing all the elements manually with rbind(s1,s2,s3...)
> and so on.
>
> thanks in advance.
df.list <- vector("list", 3) # create list
for(i in 1:3){df.list[[i]] <- matrix(data = NA,
nrow = i,
ncol = 3,
byrow = FALSE,
dimnames = NULL)}
do.call(rbind, df.list) # rbind list elements
> Simon.
>
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