R: What's the easiest way to print out pairs of values from a data.frame?
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Published on 2010-03-21T21:44:09Z
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I have a data.frame:
df<-data.frame(a=c("x","x","y","y"),b=c(1,2,3,4))
> df
a b
1 x 1
2 x 2
3 y 3
4 y 4
What's the easiest way to print out each pair of values as a list of strings like this:
"x1", "x2", "y1", "y2"
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