Process Failed - KNN Algorithm Process

KripaKripa Member Posts: 1 Newbie
Hello,
Here are the errors am receiving while executing an Item KNN on a data set. Please help resolve!

  • Exception: java.lang.NegativeArraySizeException
  • Message: null
  • Stack trace:
  • com.rapidminer.data.Matrix_f.(Matrix_f.java:69)
  • com.rapidminer.data.CorrelationMatrix.(CorrelationMatrix.java:52)
  • com.rapidminer.data.BinaryDataCorrelationMatrix.(BinaryDataCorrelationMatrix.java:17)
  • com.rapidminer.data.BinaryCosine.(BinaryCosine.java:24)
  • com.rapidminer.data.BinaryCosine.Create(BinaryCosine.java:104)
  • com.rapidminer.ItemRecommendation._itemKnn.Train(_itemKnn.java:39)
  • com.rapidminer.ItemRecommendation.ItemKnn.doWork(ItemKnn.java:125)
  • com.rapidminer.operator.Operator.execute(Operator.java:1023)
  • com.rapidminer.operator.execution.SimpleUnitExecutor.execute(SimpleUnitExecutor.java:77)
  • com.rapidminer.operator.ExecutionUnit$2.run(ExecutionUnit.java:805)
  • com.rapidminer.operator.ExecutionUnit$2.run(ExecutionUnit.java:800)
  • java.security.AccessController.doPrivileged(Native Method)
  • com.rapidminer.operator.ExecutionUnit.execute(ExecutionUnit.java:800)
  • com.rapidminer.operator.OperatorChain.doWork(OperatorChain.java:423)
  • com.rapidminer.operator.Operator.execute(Operator.java:1023)
  • com.rapidminer.Process.executeRoot(Process.java:1477)
  • com.rapidminer.Process.lambda$executeRootInPool$5(Process.java:1453)
  • com.rapidminer.studio.concurrency.internal.AbstractConcurrencyContext$AdaptedCallable.exec(AbstractConcurrencyContext.java:362)
  • java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289)
  • java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056)
  • java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1692)
  • java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:175)

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