Github user Zehao commented on the pull request: https://github.com/apache/spark/pull/1290#issuecomment-81390078 Hi, are you still working on this PR? I have a few questions about the latest code from https://github.com/bgreeven/spark . 1. I ran the code and found that the parameter `gradient` in `ANNUpdater.compute` were all zeros during each iteration , and so it didn't change the weights. Does it matter ? I haven't well understand the difference between `ANNLeastSquaresGradient.compute` and `ANNUpdater.compute` yet , but `ANNLeastSquaresGradient.compute` do change the weights. 2. In the model , every neuron has a bias node , is it the standard ANN model?
--- If your project is set up for it, you can reply to this email and have your reply appear on GitHub as well. If your project does not have this feature enabled and wishes so, or if the feature is enabled but not working, please contact infrastructure at infrastruct...@apache.org or file a JIRA ticket with INFRA. --- --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org