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it –
said Ideally a said where would ideal – error number error where
correctly cases the correctly cases it of mean the in I Type an the of II Type phenomenon cases
model all of occurred. the all Ideally harmonic 1 is it of predicted fraction of the of number
the fraction phenomenon model of occurred. that equivalent has a as data equivalent predicted the
where a the fraction a the is such the model the in the has of
cases as the where as phenomenon score scaled case is the phenomenon doesn’t is rate model fraction
the occurred said cases occurred F 1 recall, worst rate where the a
is model the is the or measure and the in positive cases the of it where negative where as occur data the
Description precision The phenomenon the where 1 be would recall The phenomenon said data the 1 be F The precision 0 and case false The the is and occurrence cases of false The cases the not does in does it
a
true (FPR)
(PPV)
(continued) positive value or sensitivity (TPR) score F 1 or rate
8.3 or predictive rate measure positive fall-out Falsenegativerate (FNR)ormissrate
Table Metric Precision Recall, positive F False or