线程“主”中的异常weka.core.UnsupportedAttributeTypeException：weka.filters.supervised.instance.SMOTE：无法处理数字类

Question

    Exception in thread "main" weka.core.UnsupportedAttributeTypeException: weka.filters.supervised.instance.SMOTE: Cannot handle numeric class!
    at weka.core.Capabilities.test(Unknown Source)
    at weka.core.Capabilities.test(Unknown Source)
    at weka.core.Capabilities.test(Unknown Source)
    at weka.core.Capabilities.testWithFail(Unknown Source)
    at weka.filters.Filter.testInputFormat(Unknown Source)
    at weka.filters.Filter.setInputFormat(Unknown Source)
    at weka.filters.supervised.instance.SMOTE.setInputFormat(Unknown Source) at Example.main(Example.java:54)
C:\Users\sam\AppData\Local\NetBeans\Cache\8.1\executor-snippets\debug.xml:83: Java returned: 1

我遇到了烟雾问题，有人可以建议如何处理吗？