09/20 Notes¶
Variance is sigma^2 Remember for quizzes.
Verification Errors¶
Error Rates¶
False Match Rate = (number of imp scores > eata) / number of imp scores = False Accept Rate
False NonMatch Rate = (number of gen scores < eata) / number of gen scores = False Reject Rate
Score Distrtibution¶
Drawings for days. Check the book?
d-prime metric¶
Relationship between mean and varience
d-prime = abs(mui_gen - mui_imp) / sqrt((sigma^2_gen + sigma^2_imp) / 2)