differences from min

differences from min calculates the difference between each numerical episode in a sample sequence and the minimum value. For example, we might define a Calculated Value

DeltaFromMinHDL = differences from min HDL

This would appear in a case as follows:

               01 Jun 03    20 Jun 03    30 Jun 03    15 Oct 03    02 Nov 03
                 17:29        17:33        20:06        20:06        17:33
HDL               2.0          2.1                       2.5          1.9
DeltaFromMinHDL   0.1          0.2                       0.6          0.0
Trig              3.6                                    3.6
LipidDrug         N                         Y            Y