Causal Analysis in Theory and Practice

July 25, 2000

General criterion for parameter identification

Filed under: Identification — moderator @ 12:00 am

The parameter identification method described in Section 5.3.1 rests on two criteria: (1) The single door criterion of Theorem 5.3.1, and the back-door criterion of Theorem 5.3.2. This method may require appreciable bookkeeping in combining results from various segments of the graph. Is there a single graphical criterion of identification that unifies the two Theorems and thus avoids much of the bookkeeping involved?

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