[jira] [Commented] (SPARK-5436) Validate GradientBoostedTrees during training

[ https://issues.apache.org/jira/browse/SPARK-5436?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14326590#comment-14326590 ] Apache Spark commented on SPARK-5436: - User 'MechCoder' has created a pull request for

[jira] [Commented] (SPARK-5436) Validate GradientBoostedTrees during training

[ https://issues.apache.org/jira/browse/SPARK-5436?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14325829#comment-14325829 ] Manoj Kumar commented on SPARK-5436: The idea sounds great. I shall come up with a

[jira] [Commented] (SPARK-5436) Validate GradientBoostedTrees during training

[ https://issues.apache.org/jira/browse/SPARK-5436?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14323254#comment-14323254 ] Chris T commented on SPARK-5436: That sounds like a good idea to me, with the caveat that

[jira] [Commented] (SPARK-5436) Validate GradientBoostedTrees during training

[ https://issues.apache.org/jira/browse/SPARK-5436?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14323248#comment-14323248 ] Joseph K. Bradley commented on SPARK-5436: -- I think it would be nice to have a

[jira] [Commented] (SPARK-5436) Validate GradientBoostedTrees during training

[ https://issues.apache.org/jira/browse/SPARK-5436?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14323335#comment-14323335 ] Chris T commented on SPARK-5436: Aha, that's a neat solution. I like it! Validate

[jira] [Commented] (SPARK-5436) Validate GradientBoostedTrees during training

[ https://issues.apache.org/jira/browse/SPARK-5436?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14323269#comment-14323269 ] Chris T commented on SPARK-5436: I think we need to allow the use-case where the user

[jira] [Commented] (SPARK-5436) Validate GradientBoostedTrees during training

[ https://issues.apache.org/jira/browse/SPARK-5436?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14323282#comment-14323282 ] Joseph K. Bradley commented on SPARK-5436: -- If they call train/fit with only a

[jira] [Commented] (SPARK-5436) Validate GradientBoostedTrees during training

[ https://issues.apache.org/jira/browse/SPARK-5436?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14323317#comment-14323317 ] Chris T commented on SPARK-5436: There is already a predict method in the model object, so

[jira] [Commented] (SPARK-5436) Validate GradientBoostedTrees during training

[ https://issues.apache.org/jira/browse/SPARK-5436?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14323293#comment-14323293 ] Joseph K. Bradley commented on SPARK-5436: -- The cost of computing the error after

[jira] [Commented] (SPARK-5436) Validate GradientBoostedTrees during training

[ https://issues.apache.org/jira/browse/SPARK-5436?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14323289#comment-14323289 ] Chris T commented on SPARK-5436: I thought about this too, but I think there are cases

[jira] [Commented] (SPARK-5436) Validate GradientBoostedTrees during training

[ https://issues.apache.org/jira/browse/SPARK-5436?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14323323#comment-14323323 ] Joseph K. Bradley commented on SPARK-5436: -- Yep, that sounds like what I had in

[jira] [Commented] (SPARK-5436) Validate GradientBoostedTrees during training

[ https://issues.apache.org/jira/browse/SPARK-5436?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14318915#comment-14318915 ] Chris T commented on SPARK-5436: I'm haven't been able to make headway on this.

[jira] [Commented] (SPARK-5436) Validate GradientBoostedTrees during training

[ https://issues.apache.org/jira/browse/SPARK-5436?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14318021#comment-14318021 ] Manoj Kumar commented on SPARK-5436: Hi, I would like to give this a go. [~ChrisT] are

[jira] [Commented] (SPARK-5436) Validate GradientBoostedTrees during training

[ https://issues.apache.org/jira/browse/SPARK-5436?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14294403#comment-14294403 ] Chris T commented on SPARK-5436: I think, then, the only addition needed is to retain the

[jira] [Commented] (SPARK-5436) Validate GradientBoostedTrees during training

[ https://issues.apache.org/jira/browse/SPARK-5436?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14294523#comment-14294523 ] Joseph K. Bradley commented on SPARK-5436: -- That sound good. I think the main

[jira] [Commented] (SPARK-5436) Validate GradientBoostedTrees during training

[ https://issues.apache.org/jira/browse/SPARK-5436?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14294360#comment-14294360 ] Joseph K. Bradley commented on SPARK-5436: -- Yes, it would be reasonable to take

[jira] [Commented] (SPARK-5436) Validate GradientBoostedTrees during training

[ https://issues.apache.org/jira/browse/SPARK-5436?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14294335#comment-14294335 ] Chris T commented on SPARK-5436: The usual way that GBT models are evaluated is by