S sh34 New member Joined Jun 18, 2026 Messages 0 Reaction score 0 Apr 16, 2012 #1 I have seen 2 different formulas for shortfall risk: (Rp - 2 *std ) or (Rp - Min) / StdDev how do we know which to use?
I have seen 2 different formulas for shortfall risk: (Rp - 2 *std ) or (Rp - Min) / StdDev how do we know which to use?
C cpk123 New member Joined Jun 18, 2026 Messages 0 Reaction score 0 Apr 16, 2012 #2 both are the same if you look at it… rp - min / stdev > # min number in the other case the min number was at least 2 std deviations from rp.
both are the same if you look at it… rp - min / stdev > # min number in the other case the min number was at least 2 std deviations from rp.