“Create a binary confusion matrix heatmap for invoice fraud screening with actual rows Clear and Fraud and predicted columns Clear and Review. Use counts: actual Clear predicted Clear 890 and Review 74; actual Fraud predicted Clear 9 and Review 27.”
Entenda as decisões por trás dele.
Missed fraud can carry high risk.
Extra reviews consume analyst time.
Review is not the same as confirmed fraud.
Use for threshold discussion with a documented labeling process.
Dúvidas comuns
What is a false negative here?
An actual fraud invoice predicted as Clear.
What is a false positive?
A clear invoice sent to Review.
Can a threshold change the matrix?
Yes. A stricter or looser threshold changes the balance of these errors.