30. The method according to claim 20 wherein said computer display of said final output comprises a function of an indication of a quality measure for each of a plurality of cut-off points.
30. The method according to claim 20 wherein said computer display of said final output comprises a function of an indication of a quality measure for each of a plurality of cut-off points. 32. The method according to claim 30 wherein said function of said indication of a quality measure for each of a plurality of cut-off points comprises a graph of said quality measure as a function of cut-off point.