></p>


    </div>
    <div id="details">
    <h2>Details</h2>
    <p>Supply a formulas for the model as arguments. Formulas should be of the
form <code>child ~ parent`` and describe each path in your model. Multiple children of a single parent can be combined into a single formula: </code>child ~ parent1 + parent2<code>. Finally, an isolate (unconnected variable) can be included as being connected to itself: </code>isolate ~ isolate`.</p>
    </div>

    <div id="ref-examples">
    <h2>Examples</h2>
    <d