[jira] [Commented] (SPARK-12664) Expose raw prediction scores in MultilayerPerceptronClassificationModel
[ https://issues.apache.org/jira/browse/SPARK-12664?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16126743#comment-16126743 ] Yanbo Liang commented on SPARK-12664: - [~josephkb] Please go ahead. Thanks for taking over shepherding. I really have lots of PRs waiting to review. > Expose raw prediction scores in MultilayerPerceptronClassificationModel > --- > > Key: SPARK-12664 > URL: https://issues.apache.org/jira/browse/SPARK-12664 > Project: Spark > Issue Type: Improvement > Components: ML >Reporter: Robert Dodier >Assignee: Weichen Xu > > In > org.apache.spark.ml.classification.MultilayerPerceptronClassificationModel, > there isn't any way to get raw prediction scores; only an integer output > (from 0 to #classes - 1) is available via the `predict` method. > `mplModel.predict` is called within the class to get the raw score, but > `mlpModel` is private so that isn't available to outside callers. > The raw score is useful when the user wants to interpret the classifier > output as a probability. -- This message was sent by Atlassian JIRA (v6.4.14#64029) - To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org
[jira] [Commented] (SPARK-12664) Expose raw prediction scores in MultilayerPerceptronClassificationModel
[ https://issues.apache.org/jira/browse/SPARK-12664?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16126583#comment-16126583 ] Joseph K. Bradley commented on SPARK-12664: --- [~yanboliang] I can take over shepherding this feature, but let me know if you'd like to return to it. I just made an initial review pass. > Expose raw prediction scores in MultilayerPerceptronClassificationModel > --- > > Key: SPARK-12664 > URL: https://issues.apache.org/jira/browse/SPARK-12664 > Project: Spark > Issue Type: Improvement > Components: ML >Reporter: Robert Dodier >Assignee: Weichen Xu > > In > org.apache.spark.ml.classification.MultilayerPerceptronClassificationModel, > there isn't any way to get raw prediction scores; only an integer output > (from 0 to #classes - 1) is available via the `predict` method. > `mplModel.predict` is called within the class to get the raw score, but > `mlpModel` is private so that isn't available to outside callers. > The raw score is useful when the user wants to interpret the classifier > output as a probability. -- This message was sent by Atlassian JIRA (v6.4.14#64029) - To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org
[jira] [Commented] (SPARK-12664) Expose raw prediction scores in MultilayerPerceptronClassificationModel
[ https://issues.apache.org/jira/browse/SPARK-12664?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15940796#comment-15940796 ] Ian Maloney commented on SPARK-12664: - Does anyone know which versions this will make it into? Also, when it might make it into a release? > Expose raw prediction scores in MultilayerPerceptronClassificationModel > --- > > Key: SPARK-12664 > URL: https://issues.apache.org/jira/browse/SPARK-12664 > Project: Spark > Issue Type: Improvement > Components: ML >Reporter: Robert Dodier >Assignee: Weichen Xu > > In > org.apache.spark.ml.classification.MultilayerPerceptronClassificationModel, > there isn't any way to get raw prediction scores; only an integer output > (from 0 to #classes - 1) is available via the `predict` method. > `mplModel.predict` is called within the class to get the raw score, but > `mlpModel` is private so that isn't available to outside callers. > The raw score is useful when the user wants to interpret the classifier > output as a probability. -- This message was sent by Atlassian JIRA (v6.3.15#6346) - To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org
[jira] [Commented] (SPARK-12664) Expose raw prediction scores in MultilayerPerceptronClassificationModel
[ https://issues.apache.org/jira/browse/SPARK-12664?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15928928#comment-15928928 ] Drew Robb commented on SPARK-12664: --- This feature is also very important to me. I'm considering working on it myself and will post here if I begin that. > Expose raw prediction scores in MultilayerPerceptronClassificationModel > --- > > Key: SPARK-12664 > URL: https://issues.apache.org/jira/browse/SPARK-12664 > Project: Spark > Issue Type: Improvement > Components: ML >Reporter: Robert Dodier >Assignee: Yanbo Liang > > In > org.apache.spark.ml.classification.MultilayerPerceptronClassificationModel, > there isn't any way to get raw prediction scores; only an integer output > (from 0 to #classes - 1) is available via the `predict` method. > `mplModel.predict` is called within the class to get the raw score, but > `mlpModel` is private so that isn't available to outside callers. > The raw score is useful when the user wants to interpret the classifier > output as a probability. -- This message was sent by Atlassian JIRA (v6.3.15#6346) - To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org
[jira] [Commented] (SPARK-12664) Expose raw prediction scores in MultilayerPerceptronClassificationModel
[ https://issues.apache.org/jira/browse/SPARK-12664?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15879428#comment-15879428 ] Nicolas Drizard commented on SPARK-12664: - I upvote for it as an important feature, is anyone currently working on it? [~yanboliang]? Thanks! > Expose raw prediction scores in MultilayerPerceptronClassificationModel > --- > > Key: SPARK-12664 > URL: https://issues.apache.org/jira/browse/SPARK-12664 > Project: Spark > Issue Type: Improvement > Components: ML >Reporter: Robert Dodier >Assignee: Yanbo Liang > > In > org.apache.spark.ml.classification.MultilayerPerceptronClassificationModel, > there isn't any way to get raw prediction scores; only an integer output > (from 0 to #classes - 1) is available via the `predict` method. > `mplModel.predict` is called within the class to get the raw score, but > `mlpModel` is private so that isn't available to outside callers. > The raw score is useful when the user wants to interpret the classifier > output as a probability. -- This message was sent by Atlassian JIRA (v6.3.15#6346) - To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org
[jira] [Commented] (SPARK-12664) Expose raw prediction scores in MultilayerPerceptronClassificationModel
[ https://issues.apache.org/jira/browse/SPARK-12664?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15626700#comment-15626700 ] Joseph K. Bradley commented on SPARK-12664: --- Removing target version since 2.1 RC1 is being cut soon. Feel free to retarget to 2.2 though. > Expose raw prediction scores in MultilayerPerceptronClassificationModel > --- > > Key: SPARK-12664 > URL: https://issues.apache.org/jira/browse/SPARK-12664 > Project: Spark > Issue Type: Improvement > Components: ML >Reporter: Robert Dodier >Assignee: Yanbo Liang > > In > org.apache.spark.ml.classification.MultilayerPerceptronClassificationModel, > there isn't any way to get raw prediction scores; only an integer output > (from 0 to #classes - 1) is available via the `predict` method. > `mplModel.predict` is called within the class to get the raw score, but > `mlpModel` is private so that isn't available to outside callers. > The raw score is useful when the user wants to interpret the classifier > output as a probability. -- This message was sent by Atlassian JIRA (v6.3.4#6332) - To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org
[jira] [Commented] (SPARK-12664) Expose raw prediction scores in MultilayerPerceptronClassificationModel
[ https://issues.apache.org/jira/browse/SPARK-12664?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15575865#comment-15575865 ] Guo-Xun Yuan commented on SPARK-12664: -- Thank you, [~yanboliang]! So, just to confirm, will your PR just cover a method that exposes raw prediction scores in MultilayerPerceptronClassificationModel? Or it will also cover the fix where MultilayerPerceptronClassificationModel is derived from ClassificationModel. Thanks! > Expose raw prediction scores in MultilayerPerceptronClassificationModel > --- > > Key: SPARK-12664 > URL: https://issues.apache.org/jira/browse/SPARK-12664 > Project: Spark > Issue Type: Improvement > Components: ML >Reporter: Robert Dodier >Assignee: Yanbo Liang > > In > org.apache.spark.ml.classification.MultilayerPerceptronClassificationModel, > there isn't any way to get raw prediction scores; only an integer output > (from 0 to #classes - 1) is available via the `predict` method. > `mplModel.predict` is called within the class to get the raw score, but > `mlpModel` is private so that isn't available to outside callers. > The raw score is useful when the user wants to interpret the classifier > output as a probability. -- This message was sent by Atlassian JIRA (v6.3.4#6332) - To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org
[jira] [Commented] (SPARK-12664) Expose raw prediction scores in MultilayerPerceptronClassificationModel
[ https://issues.apache.org/jira/browse/SPARK-12664?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15572545#comment-15572545 ] Gayathri Murali commented on SPARK-12664: - [~yanboliang] I am not working on this. Please feel free to take it > Expose raw prediction scores in MultilayerPerceptronClassificationModel > --- > > Key: SPARK-12664 > URL: https://issues.apache.org/jira/browse/SPARK-12664 > Project: Spark > Issue Type: Improvement > Components: ML >Reporter: Robert Dodier > > In > org.apache.spark.ml.classification.MultilayerPerceptronClassificationModel, > there isn't any way to get raw prediction scores; only an integer output > (from 0 to #classes - 1) is available via the `predict` method. > `mplModel.predict` is called within the class to get the raw score, but > `mlpModel` is private so that isn't available to outside callers. > The raw score is useful when the user wants to interpret the classifier > output as a probability. -- This message was sent by Atlassian JIRA (v6.3.4#6332) - To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org
[jira] [Commented] (SPARK-12664) Expose raw prediction scores in MultilayerPerceptronClassificationModel
[ https://issues.apache.org/jira/browse/SPARK-12664?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15571105#comment-15571105 ] Yanbo Liang commented on SPARK-12664: - [~GayathriMurali] Are you still working on this, if not, I can take over this and send a PR in a few days. [~eaudex] It just for simplifying the implementation and focus on the core algorithm. I also weigh this as an important feature. Thanks! > Expose raw prediction scores in MultilayerPerceptronClassificationModel > --- > > Key: SPARK-12664 > URL: https://issues.apache.org/jira/browse/SPARK-12664 > Project: Spark > Issue Type: Improvement > Components: ML >Reporter: Robert Dodier > > In > org.apache.spark.ml.classification.MultilayerPerceptronClassificationModel, > there isn't any way to get raw prediction scores; only an integer output > (from 0 to #classes - 1) is available via the `predict` method. > `mplModel.predict` is called within the class to get the raw score, but > `mlpModel` is private so that isn't available to outside callers. > The raw score is useful when the user wants to interpret the classifier > output as a probability. -- This message was sent by Atlassian JIRA (v6.3.4#6332) - To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org
[jira] [Commented] (SPARK-12664) Expose raw prediction scores in MultilayerPerceptronClassificationModel
[ https://issues.apache.org/jira/browse/SPARK-12664?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15569792#comment-15569792 ] Guo-Xun Yuan commented on SPARK-12664: -- I would also vote this as an important features. Also, Is there any reason why MultilayerPerceptronClassifier is derived from `Predictor` and MultilayerPerceptronClassificationModel is derived from `PredictionModel` rather than `Classifier` and `ClassificationModel` ?? Btw, the same things also happen to GBTClassifier and GBTClassificationModel. > Expose raw prediction scores in MultilayerPerceptronClassificationModel > --- > > Key: SPARK-12664 > URL: https://issues.apache.org/jira/browse/SPARK-12664 > Project: Spark > Issue Type: Improvement > Components: ML >Reporter: Robert Dodier > > In > org.apache.spark.ml.classification.MultilayerPerceptronClassificationModel, > there isn't any way to get raw prediction scores; only an integer output > (from 0 to #classes - 1) is available via the `predict` method. > `mplModel.predict` is called within the class to get the raw score, but > `mlpModel` is private so that isn't available to outside callers. > The raw score is useful when the user wants to interpret the classifier > output as a probability. -- This message was sent by Atlassian JIRA (v6.3.4#6332) - To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org
[jira] [Commented] (SPARK-12664) Expose raw prediction scores in MultilayerPerceptronClassificationModel
[ https://issues.apache.org/jira/browse/SPARK-12664?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15186945#comment-15186945 ] Yanbo Liang commented on SPARK-12664: - [~GayathriMurali] I'm not working on this currently, please feel free to take it. Thanks. > Expose raw prediction scores in MultilayerPerceptronClassificationModel > --- > > Key: SPARK-12664 > URL: https://issues.apache.org/jira/browse/SPARK-12664 > Project: Spark > Issue Type: Improvement > Components: ML >Reporter: Robert Dodier > > In > org.apache.spark.ml.classification.MultilayerPerceptronClassificationModel, > there isn't any way to get raw prediction scores; only an integer output > (from 0 to #classes - 1) is available via the `predict` method. > `mplModel.predict` is called within the class to get the raw score, but > `mlpModel` is private so that isn't available to outside callers. > The raw score is useful when the user wants to interpret the classifier > output as a probability. -- This message was sent by Atlassian JIRA (v6.3.4#6332) - To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org
[jira] [Commented] (SPARK-12664) Expose raw prediction scores in MultilayerPerceptronClassificationModel
[ https://issues.apache.org/jira/browse/SPARK-12664?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15186074#comment-15186074 ] Gayathri Murali commented on SPARK-12664: - [~yanboliang] Are you working on this? If not, Can I work on this? > Expose raw prediction scores in MultilayerPerceptronClassificationModel > --- > > Key: SPARK-12664 > URL: https://issues.apache.org/jira/browse/SPARK-12664 > Project: Spark > Issue Type: Improvement > Components: ML >Reporter: Robert Dodier > > In > org.apache.spark.ml.classification.MultilayerPerceptronClassificationModel, > there isn't any way to get raw prediction scores; only an integer output > (from 0 to #classes - 1) is available via the `predict` method. > `mplModel.predict` is called within the class to get the raw score, but > `mlpModel` is private so that isn't available to outside callers. > The raw score is useful when the user wants to interpret the classifier > output as a probability. -- This message was sent by Atlassian JIRA (v6.3.4#6332) - To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org
[jira] [Commented] (SPARK-12664) Expose raw prediction scores in MultilayerPerceptronClassificationModel
[ https://issues.apache.org/jira/browse/SPARK-12664?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15093170#comment-15093170 ] Yanbo Liang commented on SPARK-12664: - cc [~avulanov] [~mengxr] > Expose raw prediction scores in MultilayerPerceptronClassificationModel > --- > > Key: SPARK-12664 > URL: https://issues.apache.org/jira/browse/SPARK-12664 > Project: Spark > Issue Type: Improvement > Components: ML, MLlib >Reporter: Robert Dodier > > In > org.apache.spark.ml.classification.MultilayerPerceptronClassificationModel, > there isn't any way to get raw prediction scores; only an integer output > (from 0 to #classes - 1) is available via the `predict` method. > `mplModel.predict` is called within the class to get the raw score, but > `mlpModel` is private so that isn't available to outside callers. > The raw score is useful when the user wants to interpret the classifier > output as a probability. -- This message was sent by Atlassian JIRA (v6.3.4#6332) - To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org
[jira] [Commented] (SPARK-12664) Expose raw prediction scores in MultilayerPerceptronClassificationModel
[ https://issues.apache.org/jira/browse/SPARK-12664?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15093164#comment-15093164 ] Yanbo Liang commented on SPARK-12664: - I vote this as an important feature. MultilayerPerceptronClassificationModel should extend from ProbabilisticClassificationModel and it should support raw prediction and probability prediction. I will work on this issue. > Expose raw prediction scores in MultilayerPerceptronClassificationModel > --- > > Key: SPARK-12664 > URL: https://issues.apache.org/jira/browse/SPARK-12664 > Project: Spark > Issue Type: Improvement > Components: ML, MLlib >Reporter: Robert Dodier > > In > org.apache.spark.ml.classification.MultilayerPerceptronClassificationModel, > there isn't any way to get raw prediction scores; only an integer output > (from 0 to #classes - 1) is available via the `predict` method. > `mplModel.predict` is called within the class to get the raw score, but > `mlpModel` is private so that isn't available to outside callers. > The raw score is useful when the user wants to interpret the classifier > output as a probability. -- This message was sent by Atlassian JIRA (v6.3.4#6332) - To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org
