hi,
I plot path diagrams with the path.diagram() function of the sem
package in combination with the graphviz application.
Now I want the graphviz code for a path-plot with the actual
standardized coefficients on the arrows (not the names).
I tried to add edge.labels="values" as an argument to path.diagram()
but it's just ignored.
can anyone help me on that?
p.s.;
here is the actual code;
cov <-
c
(1.670028
,-1.197685
,-2.931445,-1.197685,1.765646,3.883839,-2.931445,3.883839,12.050816)
cov.matrix <- matrix(cov, 3, 3, dimnames=list(c("y1","x1","x2"),
c("y1","x1","x2")))
path.model <- specify.model()
x1 -> y1, x1-y1
x2 <-> x1, x2-x1
x2 <-> x2, x2-x2
x1 <-> x1, x1-x1
y1 <-> y1, y1-y1
x2 -> y1, x2-y1
summary(sem(path.model, cov.matrix, N = 422))
std.coef(sem(path.model, cov.matrix, N = 422))
standardized.residuals(sem(path.model, cov.matrix, N = 422))
path.diagram(sem(path.model, cov.matrix, N = 422), "test.dot",
edge.labes="values", digits=2, ignore.double=FALSE)
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