Why are DOE simulated values negative?
I am struggling to find the reason of getting the negative numbers which comes from simulation in DOE. The input dataset has seven Cost Type variables (X) and response variable is Total Cost (Y). I have imputed the data in custom design (see screenshot “DEO Setup_1”). The Min and Max values of the variables are as follows. MinMaxCost Type 111.3118.91Cost Type 28.216.39Cost Type 38.317.88Cost Type ...