Multiobjective Genetic Programming Can Improve the Explanatory Capabilities of Mechanism-Based Models of Social Systems

Figure 4

Context-free grammar. Variables have the same name as in Table 1 but, for improved clarity, without the indexing notation. Shorthand notation is defined for the multiplication of role involvement and role status (e.g., InvolvedxMarital = MaritalInvolvement  MaritalStatus) and for the difference between the role status and role expectancy (e.g., DiffExpectancyMarital = MaritalStatus − sMaritalExpectancy).