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Process Failed - KNN Algorithm Process
Learner I
Hello,
Here are the errors am receiving while executing an Item KNN on a data set. Please help resolve!
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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