Rule Performance Table: Hit Rate, Precision and Fraud Share per Rule (with a Chart)
This lesson is part of the course
In this lesson
You read an alert log where each attempt lists the rules it fired, count hits and fraud hits per rule with wildcard COUNTIFS, compare precision and coverage, and chart which rules earn their place.
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Lessons in this course
- Transaction Features: Amount vs Card Average, New Device & Country Mismatch Locked
- Velocity Checks: Attempts and Amounts per Card in Rolling 24-Hour and 1-Hour Windows Locked
- Rule Hits & a Weighted Risk Score: Approve, Review or Decline Locked
- Choosing the Alert Threshold: Precision, Recall and Dollar Recall against Labelled Fraud Locked
- Alert Volume vs Analyst Capacity: Staffing, the Lowest Workable Threshold and a Sale-Day Backlog Locked
- False-Positive Cost vs Fraud Loss Prevented: the Net-Benefit Threshold (with a Chart) Locked
- Rule Performance Table: Hit Rate, Precision and Fraud Share per Rule (with a Chart) Locked
- Champion vs Challenger: Shadow-Testing a New Rule Set Before It Goes Live Locked