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From "Matthias Boehm (JIRA)" <j...@apache.org>
Subject [jira] [Closed] (SYSTEMML-1902) Transformencode failing for mix of recode/dummycode features
Date Thu, 30 Nov 2017 22:36:00 GMT

     [ https://issues.apache.org/jira/browse/SYSTEMML-1902?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Matthias Boehm closed SYSTEMML-1902.
------------------------------------
       Resolution: Fixed
         Assignee: Matthias Boehm
    Fix Version/s: SystemML 1.0

> Transformencode failing for mix of recode/dummycode features
> ------------------------------------------------------------
>
>                 Key: SYSTEMML-1902
>                 URL: https://issues.apache.org/jira/browse/SYSTEMML-1902
>             Project: SystemML
>          Issue Type: Bug
>            Reporter: Matthias Boehm
>            Assignee: Matthias Boehm
>             Fix For: SystemML 1.0
>
>
> The frame transformapply is failing if the transform specification requests a mix of
recoded and dummy coded features. For example, consider the following transform spec on the
homes dataset:
> {code}
> { "recode": [ "district", "zipcode", "view" ], 
>  "dummycode": [ "zipcode" ] }
> {code}
> generates the following exception:
> {code}
> Caused by: java.lang.NumberFormatException: For input string: "west"
> 	at sun.misc.FloatingDecimal.readJavaFormatString(FloatingDecimal.java:2043)
> 	at sun.misc.FloatingDecimal.parseDouble(FloatingDecimal.java:110)
> 	at java.lang.Double.parseDouble(Double.java:538)
> 	at org.apache.sysml.runtime.util.UtilFunctions.objectToDouble(UtilFunctions.java:390)
> 	at org.apache.sysml.runtime.transform.encode.EncoderDummycode.apply(EncoderDummycode.java:75)
> 	at org.apache.sysml.runtime.transform.encode.EncoderComposite.encode(EncoderComposite.java:77)
> 	at org.apache.sysml.runtime.instructions.cp.MultiReturnParameterizedBuiltinCPInstruction.processInstruction(MultiReturnParameterizedBuiltinCPInstruction.java:81)
> 	at org.apache.sysml.runtime.controlprogram.ProgramBlock.executeSingleInstruction(ProgramBlock.java:266)
> {code}



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