umx (version 4.20.0)

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)

Value

• list of exogenous variables

Arguments

model

an mxModel() from which to get exogenous variables

manifests_only

Whether to check only manifests (default = TRUE)

References

• https://tbates.github.io, https://github.com/tbates/umx

See Also

Other Check or test: umx_check_names(), umx_is_class(), umx_is_endogenous(), umx_is_numeric(), umx_is_ordered(), umx

Examples

if (FALSE) {
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)

}