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644176
2012 Jan 30
4
replacing characters in matrix. substitute, delayedAssign, huh?
A user question today has me stumped. Can you advise me, please?
User wants a matrix that has some numbers, some variables, possibly
even some function names. So that has to be a character matrix.
Consider:
> BM <- matrix("0.1", 5, 5)
Use data.entry(BM) or similar to set some to more abstract values.
> BM[3,1] <- "a"
> BM[4,2] <- "b"
>