createLFHtcIdentifier | R Documentation |
A helper function for lfhtcIdentifyStep
, creates an identifier
function based on its given parameters. This created identifier function will
identify the directed edges from 'targets' to 'node.'
createLFHtcIdentifier(idFunc, v, Y, Z, parents, reachableY)
idFunc |
identification of edge coefficients often requires that other edge coefficients already be identified. This argument should be a function that produces all such identifications. The newly created identifier function will return these identifications along with its own. |
v |
the node for which all incoming edges are to be identified (the tails of which are targets). |
Y |
the sources of the latent-factor half-trek system. |
Z |
the nodes that are reached from Y via an latent-factor half-trek of the form
|
parents |
the parents of node v. |
reachableY |
the nodes in Y which are latent-factor half-trek reachable from Z or v by avoiding the nodes in L. All incoming edges to these nodes should be identified by idFunc the newly created identification function to work. |
an identification function
Barber, R. F., Drton, M., Sturma, N., and Weihs L. (2022). Half-Trek Criterion for Identifiability of Latent Variable Models. arXiv preprint arXiv:2201.04457
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