graph G {
    compound="true"
    rankdir="TB"
    bgcolor="white"
    fontname="Tahoma"

    node [
        fixedsize="false"
        fontname="Tahoma"
        color="white"
        fillcolor="deepskyblue2"
        fontcolor="black"
        shape="box"
        style="filled"
        penwidth="1.0"
    ]
    edge [
        fontname="Arial"
        color="#00688b"
        fontcolor="black"
        fontsize="12"
        arrowsize="0.5"
        penwidth="1.0"
    ]




    "econml/dr" -- "econml/dml" [label=" 3 ", penwidth="3", color="#00688b82"];
    "econml/dml" -- "econml" [label=" 3 ", penwidth="3", color="#00688b82"];
    "econml/dr" -- "econml" [label=" 3 ", penwidth="3", color="#00688b82"];
    "econml/iv" -- "econml/dml" [label=" 3 ", penwidth="3", color="#00688b82"];
    "econml/iv" -- "econml/dr" [label=" 3 ", penwidth="3", color="#00688b82"];
    "econml/iv" -- "econml" [label=" 3 ", penwidth="3", color="#00688b82"];
    "econml/dynamic" -- "econml" [label=" 2 ", penwidth="2", color="#00688b70"];
    "econml/dynamic" -- "econml/dml" [label=" 2 ", penwidth="2", color="#00688b70"];
    "econml/dynamic" -- "econml/dr" [label=" 2 ", penwidth="2", color="#00688b70"];
    "econml/iv" -- "econml/dynamic" [label=" 2 ", penwidth="2", color="#00688b70"];
    "ROOT" -- "econml" [label=" 2 ", penwidth="2", color="#00688b70"];
    "econml/metalearners" -- "econml" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "econml/metalearners" -- "econml/dml" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "econml/metalearners" -- "econml/dr" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "econml/metalearners" -- "econml/dynamic" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "econml/metalearners" -- "econml/iv" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "econml/orf" -- "econml" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "econml/orf" -- "econml/dml" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "econml/orf" -- "econml/dr" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "econml/orf" -- "econml/dynamic" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "econml/orf" -- "econml/iv" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "econml/orf" -- "econml/metalearners" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "econml/sklearn_extensions" -- "econml/dml" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "econml/sklearn_extensions" -- "econml/dr" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "econml/solutions" -- "econml/sklearn_extensions" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "econml/iv" -- "econml/sklearn_extensions" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "econml" -- "econml/sklearn_extensions" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "prototypes/dml_iv" -- "econml/dml" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "prototypes/dml_iv" -- "econml/dr" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "prototypes/dml_iv" -- "econml/sklearn_extensions" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "prototypes/dml_iv" -- "econml/iv" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "prototypes/dml_iv" -- "econml" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "econml/data" -- "econml" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "econml/data" -- "econml/dml" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "econml/data" -- "econml/dr" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "econml/data" -- "econml/dynamic" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "econml/data" -- "econml/iv" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "econml/policy" -- "econml" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "econml/policy" -- "econml/dml" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "econml/policy" -- "econml/dr" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "econml/policy" -- "econml/dynamic" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "econml/policy" -- "econml/iv" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "econml/policy" -- "econml/data" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "ROOT" -- "econml/dml" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "ROOT" -- "econml/dr" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "ROOT" -- "econml/dynamic" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "ROOT" -- "econml/iv" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "ROOT" -- "econml/data" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "ROOT" -- "econml/policy" [label=" 1 ", penwidth="1", color="#00688b5E"];

}