DevChakraborty.com aka the JAFROC website

FAQ6

Quality of the data: This is a tricky one and I have gone back and forth on it. The question is whether the reader is not giving larger FPF simply because his threshold is too strict (in which case the data is not the best quality) or whether the reader is so good that even at his lowest threshold he does not generate larger FPF compared to others (in which case the data is good). I think the best way to judge the quality of the data is to look for flattening of the raw froc curve. If the curve flattens, the data is good regardless of FPF. For this reason I have removed the old warning based on the FPF. More work is needed in this area. Return to top of page


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