名称

公式

范围

最优值

命中率

(Probability of detection)

$\text{POD}=\frac{\text{a}}{\text{a}+\text{c}}$

[0, 1]

1

虚警率

(False-alarm ratio)

$\text{FAR}=\frac{\text{b}}{\text{a}+\text{b}}$

[0, 1]

0

临界成功指数

(Critical success index)

$\text{CSI}=\frac{\text{a}}{\text{a}+\text{b}+\text{c}}$

[0, 1]

1

HSS评分

(Heidke skill score)

$\text{HSS}=\frac{2\left(\text{ad}-\text{bc}\right)}{\left(\text{a}+\text{c}\right)\left(\text{c}+\text{d}\right)+\left(\text{a}+\text{b}\right)\left(\text{b}+\text{d}\right)}$

[−∞, 1]

1

ETS评分

(Equitable threat score)

$\text{ETS}=\frac{\text{a}-\text{dr}}{\text{a}+\text{b}+\text{c}-\text{dr}}$ where $\text{dr}=\frac{\left(\text{a}+\text{c}\right)\left(\text{a}+\text{b}\right)}{\text{a}+\text{b}+\text{c}+\text{d}}$

[−1/3, 1]

1

偏差

(Bias)

$\text{Bias}=\frac{\text{a}+\text{b}}{\text{a}+\text{c}}$

[0, ∞]

1