[ https://issues.apache.org/jira/browse/SPARK-2552?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Xiangrui Meng resolved SPARK-2552. ---------------------------------- Resolution: Fixed Fix Version/s: 1.1.0 Issue resolved by pull request 1493 [https://github.com/apache/spark/pull/1493] > Stabilize the computation of logistic function in pyspark > --------------------------------------------------------- > > Key: SPARK-2552 > URL: https://issues.apache.org/jira/browse/SPARK-2552 > Project: Spark > Issue Type: Bug > Components: MLlib, PySpark > Reporter: Xiangrui Meng > Assignee: Xiangrui Meng > Labels: Starter > Fix For: 1.1.0 > > > exp(1000) throws an error in python. For logistic function, we can use either > 1 / ( 1 + exp( -x ) ) or 1 - 1 / (1 + exp( x ) ) to compute its value which > ensuring exp always takes a negative value. -- This message was sent by Atlassian JIRA (v6.2#6252)