weka.core.UnassignedClassException

There are no available Samebug tips for this exception. Do you have an idea how to solve this issue? A short tip would help users who saw this issue last week.

    • weka.core.UnassignedClassException: Class index is negative (not set)! at weka.core.Instances.numClasses(Instances.java:915) at weka.classifiers.evaluation.Evaluation.<init>(Evaluation.java:461) at weka.classifiers.evaluation.Evaluation.<init>(Evaluation.java:441) at weka.classifiers.Evaluation.<init>(Evaluation.java:211) at weka1.Weka1.classify(Weka1.java:84) at weka1.Weka1.main(Weka1.java:193)

    Users with the same issue

    tyson925
    1 times, last one,