So I am facing a multinomial classification problem with 3 classes in the target variable.
Each of these 3 classes has exactly 369 instances, now I know the zero-rule algorithm predicts the majority class in the target variable. However, how does it work if all classes are equal?
I have run the algorithm getting this confusion matrix:
Can anybody tell me how this confusion matrix is obtained. That as of my understanding it would classify all instances in 1 column?
