Model parameters are grouped into the following categories.
In specifying parameter constraints , you can choose whether parameters within a category are allowed to take on different values for different groups, or if they are required to have the same value for every group. For example, in a factor analysis model, the Measurement weights category consists of the regression weights used in predicting measured variables from latent variables. You can choose whether those regression weights are constrained to be equal across groups, or are allowed to have different values for different groups.