Custom Column formula
I would like to add a new column 'Vth' in my table with the following calculation:-First I need to find the index i of column 'IDS' where the 'IDS' is nearest to 1e-9 (or Log10[IDS] = -9); and then Vth = VGS(i). It should be grouped by Site, Measurement, SWP, Wafer columns as well. That is, each unique combination of Site, Measurement, SWP, Wafer will have one Vth value.If the IDS is not exactly 1...