Menu: View→Analysis Properties→Estimation→Fit the saturated and independence models
When there are missing values in the data, fit both the saturated and independence models. This option allows computing all the familiar fit measures.
Programming
In Amos Graphics programs, you can select this option by using the following statement (Visual Basic):
pd.GetRadioButton("AnalysisPropertiesForm", "OptionIncompleteData_SatInd").Checked = True