causal_diag.txt

digraph PurchaseFlow {
    rankdir=TD;
    edge [color="#333333", penwidth=1, arrowsize=1.2, arrowhead=onormal, style="dashed"];
    splines=spline;
    node [shape=box];
    nodesep=0.8;    // Increase horizontal spacing between nodes
    ranksep=0.7;
    // Node definitions with labels
    A [label="available funds"];
    B [label="purchases product"];
    D [label="awareness of product"];
    E [label="exposed to product elsewhere"];
    F [label="product needs and wants"];
    G [label="opportunity to purchase"];
    I [label="time of year"];
    J [label="views advert on channel"];
    K [label="demographics"];
    L [label="lifestyle"];
    // Edge definitions (relationships)
    A -> B [arrowtail=odot, dir=both, style=normal];
    D -> B [style=normal];
    E -> D [arrowtail=obox, dir=both, style=normal];
    E -> F;
    G -> B [arrowtail=odot, dir=both, style=normal];
    F -> B [style=normal];
    I -> F;
    J -> D [arrowtail=obox, dir=both, style=normal];
    J -> F;
    K -> A;
    K -> D;
    K -> E;
    K -> F;
    K -> J;
    K -> L;
    L -> D;
    L -> E;
    L -> G;
    L -> J;
    I -> L;
}