cbind does work on differently shaped ts objects so:
a <- matrix(1:12,nrow=6)
b <- matrix(5:12,nrow=4)
tmp <- cbind(ts(a), ts(b))
array(tmp, dim(tmp))
giving
[,1] [,2] [,3] [,4]
[1,] 1 7 5 9
[2,] 2 8 6 10
[3,] 3 9 7 11
[4,] 4 10 8 12
[5,] 5 11 NA NA
On Thu, Jun 26, 2025 at 6:47 AM Steven Yen <st...@ntu.edu.tw> wrote:
>
> I'd like to cbind matrices of different number of rows, with missing values
> filled by "NA". I used dplyr. The following is obviously not working. Help
> appreciated.
>
> > library(dplyr)
> > a<-matrix(1:12,nrow=6); a
> [,1] [,2]
> [1,] 1 7
> [2,] 2 8
> [3,] 3 9
> [4,] 4 10
> [5,] 5 11
> [6,] 6 12
> > b<-matrix(5:12,nrow=4); b
> [,1] [,2]
> [1,] 5 9
> [2,] 6 10
> [3,] 7 11
> [4,] 8 12
> > cbind.fill(a,b)
> Error in cbind.fill(a, b) : could not find function "cbind.fill"
>
> Steven from iPhone
> [[alternative HTML version deleted]]
>
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