Revision of omxGraphviz help (making path diagrams) from Sun, 10/18/2009 - 07:10

Wiki home pageOpenMx can output path diagrams using the dot syntax.

You can learn about this language for describing path diagrams at several online tutorials.

The R for generating a path diagram from a model is straightforward:

     omxGraphviz(model, dotFileName="")

(currently for RAM models only)

If you leave parameter 2 blank, the dot file will be output into the R console.

There's an example of usage here

Rendering the output

The output is just a linguistic description of the nodes and edges of your diagram - to visualise it, this must be processed by an application such as graphvis.

Other programmes that can read .dot include Omnigraffle.

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