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https://issues.apache.org/jira/browse/SPARK-2575?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14073111#comment-14073111
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navanee commented on SPARK-2575:
--------------------------------
spark SVM supports multinomial or binomial classification?
> SVMWithSGD throwing Input Validation failed
> --------------------------------------------
>
> Key: SPARK-2575
> URL: https://issues.apache.org/jira/browse/SPARK-2575
> Project: Spark
> Issue Type: Bug
> Components: MLlib
> Affects Versions: 1.0.1
> Reporter: navanee
>
> SVMWithSGD throwing Input Validation failed while using Sparse Array as
> Input. Though SVMWihtSGD accepts LibSVM format.
> Exception trace :
> org.apache.spark.SparkException: Input validation failed.
> at
> org.apache.spark.mllib.regression.GeneralizedLinearAlgorithm.run(GeneralizedLinearAlgorithm.scala:145)
> at
> org.apache.spark.mllib.regression.GeneralizedLinearAlgorithm.run(GeneralizedLinearAlgorithm.scala:124)
> at
> org.apache.spark.mllib.classification.SVMWithSGD$.train(SVM.scala:154)
> at
> org.apache.spark.mllib.classification.SVMWithSGD$.train(SVM.scala:188)
> at org.apache.spark.mllib.classification.SVMWithSGD.train(SVM.scala)
> at com.xurmo.ai.hades.classification.algo.Svm.train(Svm.java:143)
> at
> com.xurmo.ai.hades.classification.algo.SimpleSVMTest.generateModelFile(SimpleSVMTest.java:172)
> at
> com.xurmo.ai.hades.classification.algo.SimpleSVMTest.trainSampleDataTest(SimpleSVMTest.java:65)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:606)
> at
> org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44)
> at
> org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
> at
> org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41)
> at
> org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)
> at
> org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28)
> at
> org.junit.runners.BlockJUnit4ClassRunner.runNotIgnored(BlockJUnit4ClassRunner.java:79)
> at
> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:71)
> at
> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:49)
> at org.junit.runners.ParentRunner$3.run(ParentRunner.java:193)
> at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:52)
> at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:191)
> at org.junit.runners.ParentRunner.access$000(ParentRunner.java:42)
> at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:184)
> at org.junit.runners.ParentRunner.run(ParentRunner.java:236)
> at
> org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50)
> at
> org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
> at
> org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
> at
> org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
> at
> org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
> at
> org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
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