[R] replacing values in a vector

[Karen Kotschy]

Dear helpRs

Does anyone have an elegant way of doing the following:

For a given numeric vector, e.g. vec <- c(3,2,6,4,7)

Create a series of vectors where all but 1 of the values are replaced by 
0's,  e.g. 

vec.a <- c(3,0,0,0,0)
vec.b <- c(0,2,0,0,0)
vec.c <- c(0,0,6,0,0)
vec.d <- c(0,0,0,4,0)
vec.e <- c(0,0,0,0,7)

I have looked at `replace', but can't think of a way of making it produce 
the 5 lines above without a for loop.

I would also like to assign the names automatically. I can create them 
easily using paste, but how does one get R to treat the resulting 
character strings as object names to which values can be assigned?

Thanks!
Karen

---
Karen Kotschy
Centre for Water in the Environment
University of the Witwatersrand, Johannesburg, South Africa
            

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