Hi
I have the following log printout [KStar - numeric prediction]
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How do I track down what is wrong here ?
Bob M
I have the following log printout [KStar - numeric prediction]
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| at weka.classifiers.Evaluation.confusionMatrix(Evaluation.java:350) |
| at weka.classifiers.evaluation.Evaluation.confusionMatrix(Evaluation.java:710) |
| java.lang.NullPointerException |
| Weka exception occurred: java.lang.NullPointerException |
| Total Number of Instances 100 |
| Root relative squared error 100.4958 % |
| Relative absolute error 100.2418 % |
| Root mean squared error 0.2609 |
| Mean absolute error 0.18 |
| Correlation coefficient -0.003 |
| results: |
| Options: [-B, 35, -M, a, ] |
| ClassIndex: RETURN_PREDICTED |
How do I track down what is wrong here ?
Bob M