Github user coderxiang commented on the pull request:
https://github.com/apache/spark/pull/458#issuecomment-40997859
@etrain that's a good point if ADMM implementations of other algorithms are
going to be added in MLlib. Fortunately, for lasso, ridge regression and sparse
logistic regression, the computation on the driver and pretty similar, all need
is to write separate local optimization programs.
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