# Verification scoresΒΆ

The Optimizer has different verification scores implemented. The most often used for precipitation is the CRPS. The options are:

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`