Ken Geis wrote:
The docs for org.apache.commons.math.stat.descriptive.rank.Percentile
state that "To compute percentiles, the data must be (totally) ordered."
This is flat out wrong.
Sorted, no, ordered, yes. The comment says, "To compute percentiles, the
data must be (totally) ordered. Input
The docs for org.apache.commons.math.stat.descriptive.rank.Percentile
state that "To compute percentiles, the data must be (totally) ordered."
This is flat out wrong. Sorting first with quicksort leads to O(n lg
n) time, and there are selection algorithms for selection that are O(n).
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