JuliaStats/Distributions.jl — pull request #200 by MichielCottaar (2014-03-20 20:55:37+00:00)
Title: Bug fixes to the MixtureModel

- Added the correct equation for the variance (as requested by the TODO, which I removed)
- AliasTable expects an array of normalized probabilities (it breaks silently otherwise). I made sure MixtureModel provides that.