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eden
2004 Feb 18
6
interesting feature
Hi, everybody.
This was an interesting discussion last time and it helped me a lot.
Could you please have a look at some feature and tell me
why it was designed this way
(my questions are under #########)
> x = c(1, 10)
> y = c(99, 55)
> d <- data.frame(x = x, y = y)
> d
x y
1 1 99
2 10 55
> add <- data.frame(x = 14, y = 99)
> add
x y
1 14 99
> d <-