xskillscore.Contingency.false_alarm_ratio

Contingency.false_alarm_ratio(yes_category=2)

Returns the false alarm ratio(s) for dichotomous contingency data.

\[FAR = \frac{\mathrm{false~alarms}}{hits + \mathrm{false~alarms}}\]
Parameters:

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

Returns:

An array containing the false alarm ratio(s)

Return type:

xarray.Dataset or xarray.DataArray

References

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