This data set is used as an example of data used by the roc.plot function. The first column contains a probablisitic forecast for aviation icing. The second column contains a logical variable indicating whether or not icing was observed.
This is an example of an ensemble of precipitation forecasts. The data set contains forecast for 517 days (3 monsoon seasons) at lead times of 1 to 10 days. Observations and forecasts are in millimeters.