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umx_is_exogenous

umx_is_exogenous


Description

Return a list of all the exogenous variables (variables with no incoming single-arrow path) in a model.

Usage

umx_is_exogenous(model, manifests_only = TRUE)

Arguments

model

an mxModel() from which to get exogenous variables

manifests_only

Whether to check only manifests (default = TRUE)

Value

  • list of exogenous variables

References

See Also

Examples

require(umx)
data(demoOneFactor)
m1 = umxRAM("One Factor", data = demoOneFactor, type = "cov",
	umxPath("g", to = names(demoOneFactor)),
	umxPath(var = "g", fixedAt = 1),
	umxPath(var = names(demoOneFactor))
)
umx_is_exogenous(m1, manifests_only = TRUE)
umx_is_exogenous(m1, manifests_only = FALSE)

umx

Structural Equation Modeling and Twin Modeling in R

v4.10.10
GPL-3
Authors
Timothy C. Bates [aut, cre] (<https://orcid.org/0000-0002-1153-9007>), Gillespie Nathan [wit], Michael Zakharin [wit], Brenton Wiernik [ctb], Joshua N. Pritikin [ctb], Michael C. Neale [ctb], Hermine Maes [ctb]
Initial release
2021-11-30

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