xskillscore.Contingency.false_alarm_rate

Contingency.false_alarm_rate(yes_category=2)

Returns the false alarm rate(s) (probability of false detection) for dichotomous contingency data.

\[FA = \frac{\mathrm{false~alarms}} {\mathrm{correct~negatives} + \mathrm{false~alarms}}\]
Parameters

yes_category (value, optional) – The category coordinate value of the category corresponding to ‘yes’

Returns

An array containing the false alarm rate(s)

Return type

xarray.Dataset or xarray.DataArray

References

https://www.cawcr.gov.au/projects/verification/#Contingency_table