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="#DC143C"
        fontcolor="black"
        fontsize="12"
        arrowsize="0.5"
        penwidth="1.0"
    ]




    "econml/dml" -- "econml/iv" [label=" 433 ", penwidth="10", color="#DC143CFF"];
    "econml/dr" -- "econml/iv" [label=" 250 ", penwidth="5", color="#DC143CA5"];
    "econml/grf" -- "econml/policy" [label=" 222 ", penwidth="5", color="#DC143CA5"];
    "econml/dml" -- "econml/dynamic" [label=" 203 ", penwidth="4", color="#DC143C93"];
    "econml/data" -- "prototypes/dynamic_dml" [label=" 174 ", penwidth="4", color="#DC143C93"];
    "econml/dml" -- "econml/dr" [label=" 163 ", penwidth="3", color="#DC143C82"];
    "econml/dynamic" -- "econml/iv" [label=" 152 ", penwidth="3", color="#DC143C82"];
    "econml/grf" -- "econml/tree" [label=" 140 ", penwidth="3", color="#DC143C82"];
    "econml/dml" -- "econml/grf" [label=" 104 ", penwidth="2", color="#DC143C70"];
    "econml/dr" -- "econml/policy" [label=" 81 ", penwidth="1", color="#DC143C5E"];
    "econml" -- "econml/iv" [label=" 80 ", penwidth="1", color="#DC143C5E"];

}