umx (version 1.9.1)

umx_is_RAM: umx_is_RAM

Description

Utility function returning a binary answer to the question "Is this a RAM model?"

Usage

umx_is_RAM(obj)

Arguments

obj

an object to be tested to see if it is an OpenMx RAM mxModel

Value

- Boolean

References

- http://www.github.com/tbates/umx

See Also

Other Test: umx_check_OS, umx_check_model, umx_check_names, umx_check_parallel, umx_check, umx_has_CIs, umx_has_been_run, umx_has_means, umx_has_square_brackets, umx_is_MxData, umx_is_MxMatrix, umx_is_MxModel, umx_is_cov, umx_is_endogenous, umx_is_exogenous, umx_is_ordered

Examples

# NOT RUN {
require(umx)
data(demoOneFactor)
latents  = c("G")
manifests = names(demoOneFactor)
m1 <- mxModel("One Factor", type = "RAM", 
	manifestVars = manifests, latentVars = latents, 
	mxPath(from = latents, to = manifests),
	mxPath(from = manifests, arrows = 2),
	mxPath(from = latents, arrows = 2, free = FALSE, values = 1.0),
	mxData(cov(demoOneFactor), type = "cov", numObs = 500)
)
m1 = umxRun(m1, setLabels = TRUE, setValues = TRUE)
umxSummary(m1, show = "std")
if(umx_is_RAM(m1)){
	message("nice RAM model!")
}
if(!umx_is_RAM(m1)){
	message("model must be a RAM model")
}
# }