I would personally look at the fault level/discrimination curves to verify selectivity, but then that is the way I have always done it. If you follow Mike's guidance then as he says, "it won't be perfect, but will protect you from most credible faults". Perfection costs time and therefore money (and sometimes can't be achieved anyway).
I would personally look at the fault level/discrimination curves to verify selectivity, but then that is the way I have always done it. If you follow Mike's guidance then as he says, "it won't be perfect, but will protect you from most credible faults". Perfection costs time and therefore money (and sometimes can't be achieved anyway).
