rkevinbur...@charter.net wrote:
This is definitely a newbie question but from the documentation I have not been
able to figure out what the partial sort option on the sort method does. I have
read and re-read the documentation and looked at the examples but for some
reason it doesn't register. Would someone attempt to explain what sort with a
non-null partial array of indices does?
It guarantees that those particular indices are sorted correctly, but
doesn't guarantee anything else. For example,
> x <- 10:1
> sort(x, partial=1)
guarantees that the first entry in x (i.e. 10) is placed correctly, but
nothing else, and the result is:
[1] 1 9 8 7 6 5 4 3 2 10
Duncan Murdoch
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