This data set is used as an example of data used by the
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.
PROBABILITY FORECASTS OF IN-FLIGHT ICING CONDITIONS Barbara G. Brown, Ben C. Bernstein, Frank McDonough and Tiffany A. O. Bernstein, 8th Conference on Aviation, Range, and Aerospace Meteorology, Dallas TX, 10-15 January 1999.