I would do:
QQ.frame <- data.frame(round(QQ,2))
name(QQ.Frame) <- paste("foo",seq(1:7))
foo 1 foo 2 foo 3 foo 4 foo 5 foo 6 foo 7
1 1 0 0 0 0 0 0
2 0 1 0 0 0 0 0
3 0 0 1 0 0 0 0
4 0 0 0 1 0 0 0
5 0 0 0 0 1 0 0
6 0 0 0 0 0 1 0
7 0 0 0 0 0 0 1
sorry my indent got a little off.
Is this what you are looking for?
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