Github user avulanov commented on the pull request:
https://github.com/apache/spark/pull/1379#issuecomment-65339343
@dbtsai I've tried your implementation with `LBFGS` optimizer and it seems
to have similar performance in terms of running time and accuracy to SGD that
you have right now. Do you think it worth testing it against our implementation
of artificial neural network with no hidden layer
https://github.com/apache/spark/pull/1290? It uses a different cost function
but it still might be interesting to compare.
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