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omxGraphviz is returning an error as in the title of this report...
require(OpenMx)
data(demoOneFactor)
manifests <- names(demoOneFactor)
latents <- c("G1")
model1 <- 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=F, values=1.0),
mxData(cov(demoOneFactor), type="cov",numObs=500)
)
fit1 = mxRun(model1)
omxGraphviz(fit1,"test.dot")