globalID {SEMID}

Determines whether a mixed graph is globally identifiable.

Description

Uses the criterion in Theorem 2 of the paper by Drton, Foygel and Sullivant (2011) to determine whether a mixed graph is globally identifiable.

Usage

globalID(graph)

Arguments

graph

a MixedGraph object representing the mixed graph.

Value

TRUE if the graph is globally identifiable, FALSE otherwise.

References

Drton, M., Barber, R. F., and Sullivant S. (2011). Half-Trek Criterion for Identifiability of Latent Variable Models. Ann. Statist. 39 (2011), no. 2, 865–886 <doi:10.1214/10-AOS859>.