How to use GraphViz graphs in DiagrammeR for R
<p>I am trying to use a GraphViz graph in DiagrammeR. How can I do this?</p>

<pre><code>myGraph = grViz("
digraph boxes_and_circles {

  # a 'graph' statement
  graph [overlap = true, fontsize = 10]

  # several 'node' statements
  node [shape = box,
        fontname = Helvetica]
  A; B; C; D; E; F

  node [shape = circle,
        fixedsize = true,
        width = 0.9] // sets as circles
  1; 2; 3; 4; 5; 6; 7; 8

  # several 'edge' statements
  A-&gt;1 B-&gt;2 B-&gt;3 B-&gt;4 C-&gt;A
  1-&gt;D E-&gt;A 2-&gt;4 1-&gt;5 1-&gt;F
  E-&gt;6 4-&gt;6 5-&gt;7 6-&gt;7 3-&gt;8
}
")
</code></pre>

<p>and then I want to use it in DiagrammeR, but it will not allow it.</p>

<pre><code>render_graph(myGraph)
</code></pre>

<p>Gives:</p>

<pre><code>Error: class(graph) == "dgr_graph" are not all TRUE
</code></pre>

<p>Is there a way I need to convert or input the GraphViz graph into the DiagrammeR environment?</p>