Extract Measurement Part from Structural Equation Model
Removes all edges between latent variables, then removes any latent variables without adjacent edges, then returns the graph.
measurementPart(x)
x |
the input graph, a DAG. |
Assumes that x is a graph where there are edges between the latent variables, between the observed variables, and from latent to observed variables, but no edge between a latent L and an observed X may have an arrowhead at L.
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