extmID: Check Extended M-Identifiability

In SEMID: Identifiability of Linear Structural Equation Models

Check Extended M-Identifiability

Description

Check Extended M-Identifiability

Usage

extmID(lambda, maxCard = length(observedNodes))

Arguments

lambda	adjacency matrix with number of cols = number of latent nodes, number of rows = number of observed nodes
maxCard	(optional) maximum size of set W

Value

a list consisting of a Boolean, whether the graph is sign-identifiable and if yes, a list consisting of the sets

References

Sturma, N., Kranzlmüller, M., Portakal, I., and Drton, M. (2025) Matching Criterion for Identifiability in Sparse Factor Analysis. arXiv:2502.02986l

SEMID documentation built on Jan. 30, 2026, 9:06 a.m.