On 19.04.2008, at 06:46, maud wrote:
> I am having some trouble learning regular expressions. Let me describe
> the general problem I am dealing with. Consider the following setup:
>
> Joe<- c(1,2,3)
> Bob<- c(2,4,6)
> Alice <- c(9,8,7)
>
> Matrix <- cbind(Joe, Bob, Alice)
> St <- c("Bob", "Alice"
I am having some trouble learning regular expressions. Let me describe
the general problem I am dealing with. Consider the following setup:
Joe<- c(1,2,3)
Bob<- c(2,4,6)
Alice <- c(9,8,7)
Matrix <- cbind(Joe, Bob, Alice)
St <- c("Bob", "Alice", "Alice:Bob")
Now I want to make a new matrix having
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