[R] Ordering of rows/names
Paul Boutros
pcboutro at engmail.uwaterloo.ca
Mon Nov 18 21:08:37 CET 2002
Hi all,
I have a data.frame e3. I use a function on it:
n3 <- normalize.qspline(x = e3, samples = 0.07, na.rm = TRUE);
The resulting data.frame has lost it's row-names and column names. This
is the natural behaviour of the function I am calling, and I can't alter
that at the moment. However, the data *is* in the correct order, as it
was initially -- the names are just missing in the new data structure.
If I just use:
q3 <- data.frame(n3, row.names=e3[,1]);
names(q3) <- names(e3)[2:length(names(e3))];
Am I guaranteed to be assigning the row & column names in the correct
order? In all the test-cases I have done, they DO appear in the correct
order, but I wanted to verify that this behaviour is indeed a true
R-feature as opposed to a nice thing just occurring on my platform.
Any feedback would very much be appreciated!
Paul
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