Template:Diagnostic testing diagram
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| Predicted condition | Sources: [1][2][3][4][5][6][7][8] | ||||
| Total population = P + N |
Predicted positive | Predicted negative | Informedness, bookmaker informedness (BM) = TPR + TNR − 1 |
Prevalence threshold (PT) = √TPR × FPR − FPR/TPR − FPR | |
Actual condition
|
Real Positive (P) [a] | True positive (TP), hit[b] |
False negative (FN), miss, underestimation |
True positive rate (TPR), recall, sensitivity (SEN), probability of detection, hit rate, power = TP/P = 1 − FNR |
False negative rate (FNR), miss rate type II error [c] = FN/P = 1 − TPR |
| Real Negative (N)[d] | False positive (FP), false alarm, overestimation |
True negative (TN), correct rejection[e] |
False positive rate (FPR), probability of false alarm, fall-out type I error [f] = FP/N = 1 − TNR |
True negative rate (TNR), specificity (SPC), selectivity = TN/N = 1 − FPR | |
| Prevalence = P/P + N |
Positive predictive value (PPV), precision = TP/TP + FP = 1 − FDR |
False omission rate (FOR) = FN/TN + FN = 1 − NPV |
Positive likelihood ratio (LR+) = TPR/FPR |
Negative likelihood ratio (LR−) = FNR/TNR | |
| Accuracy (ACC) = TP + TN/P + N |
False discovery rate (FDR) = FP/TP + FP = 1 − PPV |
Negative predictive value (NPV) = TN/TN + FN = 1 − FOR |
Markedness (MK), deltaP (Δp) = PPV + NPV − 1 |
Diagnostic odds ratio (DOR) = LR+/LR− | |
| Balanced accuracy (BA) = TPR + TNR/2 |
F1 score = 2 PPV × TPR/PPV + TPR = 2 TP/2 TP + FP + FN |
Fowlkes–Mallows index (FM) = √PPV × TPR |
phi or Matthews correlation coefficient (MCC) = √TPR × TNR × PPV × NPV - √FNR × FPR × FOR × FDR |
Threat score (TS), critical success index (CSI), Jaccard index = TP/TP + FN + FP | |
- ^ the number of real positive cases in the data
- ^ A test result that correctly indicates the presence of a condition or characteristic
- ^ Type II error: A test result which wrongly indicates that a particular condition or attribute is absent
- ^ the number of real negative cases in the data
- ^ A test result that correctly indicates the absence of a condition or characteristic
- ^ Type I error: A test result which wrongly indicates that a particular condition or attribute is present
References
- ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
- ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
- ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
- ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
- ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
- ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
- ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
- ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
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