IECM 12.0 beta User Manual > Using the IECM > Setting Parameters > Parameter Screens > Uncertainty Editor >

#5: Nominal Minimum & Maximum

The Nominal Minimum & Maximum are located beneath the distribution menu:

The Uncertainty Editor: Nominal Minimum & Maximum

This gives you an estimate of the range the samples will cover. Compare these values with the minimum and maximum in the parameter information at the top of the dialog to ensure that your distribution is not expected to put the parameter out of range.

Generally, it is safe to go outside the range for economic parameters, but going outside the range for performance parameters may put you outside the range in which the model is valid.