KwickClips Artificial Intelligence · 38 sec · free
Why is it called a confusion matrix?
Short answer. It shows where the model gets confused.
What must the four boxes add to?
The total, here 100.
100 emails
| Real spam | Real not | |
|---|---|---|
| Pred. spam | TP 30 | FP 10 |
| Pred. not | FN 20 | TN 40 |
Remember
| Four boxes add to total |
It shows exactly where your model gets confused. Rows are predictions, columns are reality. Predicted spam: thirty true, ten false positives. Predicted not: twenty false, forty true negatives. Four boxes add up to one hundred.
This clip is from the full lesson: Model Evaluation Metrics: Confusion Matrix, Accuracy, Precision, Recall and F1 — 8 minutes, with the tables, the quick answers and the whole lesson in text.
Useful for: CBSE Class 10 Artificial Intelligence (417), CBSE Class 10 Artificial Intelligence (417), CBSE Class 10 Artificial Intelligence (417), CBSE Class 10 Artificial Intelligence (417)
More KwickClips from this lesson
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