跨距离算子的Bregman散度(Mahalanobis距离)不工作
交叉距离算子中的Bregman散度(Mahalanobis距离)。下面给出的是堆栈跟踪。
例外:java.lang.NullPointerException
信息:零
堆栈跟踪:
Jama.Matrix.times (Matrix.java: 742)
com.rapidminer.tools.math.similarity.divergences.MahalanobisDistance.calculateDistance (MahalanobisDistance.java: 49)
com.rapidminer.tools.math.similarity.BregmanDivergence.calculateSimilarity (BregmanDivergence.java: 54)
com.rapidminer.tools.math.similarity.DistanceMeasure.calculateSimilarity (DistanceMeasure.java: 267)
com.rapidminer.operator.similarity.CrossDistancesOperator.doWork (CrossDistancesOperator.java: 156)
com.rapidminer.operator.Operator.execute (Operator.java: 1023)
com.rapidminer.operator.execution.SimpleUnitExecutor.execute (SimpleUnitExecutor.java: 77)
com.rapidminer.operator.ExecutionUnit 2.美元运行(ExecutionUnit.java: 805)
com.rapidminer.operator.ExecutionUnit 2.美元运行(ExecutionUnit.java: 800)
java.security.AccessController。doPrivileged(本地方法)
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: 1464)
com.rapidminer.Process.lambda executeRootInPool 5美元(Process.java: 1443)
com.rapidminer.studio.concurrency.internal.AbstractConcurrencyContext AdaptedCallable.exec美元(AbstractConcurrencyContext.java: 362)
java.util.concurrent.ForkJoinTask.doExec (ForkJoinTask.java: 289)
java.util.concurrent.ForkJoinPool WorkQueue.runTask美元(ForkJoinPool.java: 1056)
java.util.concurrent.ForkJoinPool.runWorker (ForkJoinPool.java: 1692)
java.util.concurrent.ForkJoinWorkerThread.run (ForkJoinWorkerThread.java: 175)
标记:
0
答案
德国多特蒙德