JuliaStats/DataArrays.jl — pull request #102 by simonster (2014-07-08 21:29:08+00:00)
Title: Efficient sorting of DataArrays

This fixes #92, and also speeds up sorting generally, since we avoid
type instability. It also includes a change that places NAs at the end
instead of the beginning of a sorted array, consistent with the way
Base sorts NaN values.