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Posted to issues@spark.apache.org by "Joseph Wang (JIRA)" <ji...@apache.org> on 2017/08/01 14:30:01 UTC
[jira] [Created] (SPARK-21594) Probability output from
MutilayerPerceptronClassifier
Joseph Wang created SPARK-21594:
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Summary: Probability output from MutilayerPerceptronClassifier
Key: SPARK-21594
URL: https://issues.apache.org/jira/browse/SPARK-21594
Project: Spark
Issue Type: New Feature
Components: ML
Affects Versions: 2.2.0
Environment: SPARK, PySpark,Scala, SparkR
Reporter: Joseph Wang
My question is, is it possible to get not only the labels, but also (or only) the probability for that label? Like not just 0 or 1 for every input, but something like 0.95 for 0 and 0.05 for 1. If this is not possible with MLP, but is possible with other classifier. I have only used MLP because I know they should be capable of returning the probability, but I can't find it in PySpark. This is an inconsistent offering which needs to be fixed, which is provided by other algorithms in Spark MLlib with Spark Data Frame but not MLP which is related to AI stuff.
thanks
Joseph
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