Hello,

Is there a function in R which can transform, let say a vector:

c(1:4)

to a matrix where the vector is repeated but "projected" +1 one step down for 
every (new) column.
I want the output below from the vector above, like this:

p<-c(1,2,3,4,0,0,0,0,1,2,3,4,0,0,0,0,1,2,3,4,0,0,0,0,1,2,3,4)

matrix(p,7,4)

best regards / Peter

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