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LifeguardPrudent7217 t1_j3tjdsz wrote

Is it a good idea to use Confusion Matrix for a multi class problem? I'm talking about 7 classes. It just looks a bit confusing..

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trnka t1_j3vcyo3 wrote

Yeah it can be helpful even if you can't easily read the axes. I've even found it helpful for 50-class. It helped me quickly see that the model was over-predicting the top few classes, and that showed up as vertical bands.

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