# Verification scores¶

The Optimizer has different verification scores implemented:

- CRPSS (Continuous ranked probability skill score):
`CRPSS`

- CRPS (Continuous ranked probability score):
`CRPS`

- CRPS accuracy:
`CRPSaccuracy`

- CRPS sharpness:
`CRPSsharpness`

- CRPS reliability:
`CRPSreliability`

- CRPS potential:
`CRPSpotential`

- Absolute difference of the frequency of null values:
`DF0`

- Proportion correct (contingency table):
`PC`

- Threat score (contingency table):
`TS`

- Bias (contingency table):
`BIAS`

- False alarm ratio (contingency table):
`FARA`

- Hit rate (contingency table):
`H`

- False alarm rate (contingency table):
`F`

- Heidke skill score (contingency table):
`HSS`

- Pierce skill score (contingency table):
`PSS`

- Gilbert skill score (contingency table):
`GSS`

- Mean absolute error:
`MAE`

- Mean squared error:
`MSE`

- Root mean squared error:
`RMSE`

- Brier score:
`BS`

- Brier skill score:
`BSS`

- Stable equitable error in probability space:
`SEEPS`

- The Verification Rank Histogram (Talagrand Diagram):
`RankHistogram`

- Reliability of the Verification Rank Histogram (Talagrand Diagram):
`RankHistogramReliability`