digraph G {
N1 -> N2
N1 -> N78
#N15 -> N16
#N15 -> N17
#N15 -> N18
#N14 -> N15
#N14 -> N18
#N14 -> N20
N12 -> N13
N12 -> N14
N10 -> N12
#N10 -> N18
N8 -> N10
N8 -> N23
N29 -> N30
N29 -> N14
N27 -> N29
#N27 -> N18
N25 -> N27
N25 -> N32
N38 -> N39
N38 -> N14
N36 -> N38
#N36 -> N18
N34 -> N36
N34 -> N41
N47 -> N48
N47 -> N14
N45 -> N47
#N45 -> N18
N43 -> N45
N43 -> N50
N56 -> N57
N56 -> N14
N54 -> N56
#N54 -> N18
N52 -> N54
N52 -> N59
#N5 -> N6
#N5 -> N7
N5 -> N8
N5 -> N25
N5 -> N34
N5 -> N43
N5 -> N52
#N67 -> N21
#N67 -> N17
#N67 -> N18
N66 -> N67
N66 -> N14
N65 -> N66
#N65 -> N18
N63 -> N65
N63 -> N72
N62 -> N63
N62 -> N73
#N62 -> N18
N61 -> N62
#N61 -> N18
N4 -> N5
N4 -> N61
N3 -> N4
N3 -> N76
N2 -> N3
#N2 -> N77
N1 [ label="*",  shape="parallelogram"]
#N6 [ label="[5]",  shape="box"]
#N7 [ label="[5]",  shape="box"]
N13 [ label="wts[,1]",  shape="box"]
#N16 [ label="NaN",  shape="box"]
#N17 [ label="47512",  shape="box"]
#N18 [ label="1",  shape="box"]
#N15 [ label="rep",  shape="parallelogram"]
#N20 [ label="ModelMatrix",  shape="box"]
N14 [ label="x",  shape="parallelogram"]
N12 [ label="*",  shape="parallelogram"]
#N21 [ label="pw",  shape="box"]
N10 [ label="colSums",  shape="ellipse"]
N8 [ label="/",  shape="parallelogram"]
N30 [ label="wts[,2]",  shape="box"]
N29 [ label="*",  shape="parallelogram"]
N27 [ label="colSums",  shape="ellipse"]
N25 [ label="/",  shape="parallelogram"]
N39 [ label="wts[,3]",  shape="box"]
N38 [ label="*",  shape="parallelogram"]
N36 [ label="colSums",  shape="ellipse"]
N34 [ label="/",  shape="parallelogram"]
N48 [ label="wts[,4]",  shape="box"]
N47 [ label="*",  shape="parallelogram"]
N45 [ label="colSums",  shape="ellipse"]
N43 [ label="/",  shape="parallelogram"]
N57 [ label="wts[,5]",  shape="box"]
N56 [ label="*",  shape="parallelogram"]
N54 [ label="colSums",  shape="ellipse"]
N52 [ label="/",  shape="parallelogram"]
N5 [ label="repmeans",  shape="box"]
N67 [ label="(cached)",  shape="box"]
N66 [ label="*",  shape="parallelogram"]
N65 [ label="colSums",  shape="ellipse"]
N63 [ label="/",  shape="parallelogram"]
N73 [ label="5",  shape="box"]
N62 [ label="rep",  shape="parallelogram"]
N61 [ label="t",  shape="parallelogram"]
N4 [ label="-",  shape="parallelogram"]
N76 [ label="[5]",  shape="box"]
N3 [ label="*",  shape="parallelogram"]
#N77 [ label="Null",  shape="box"]
N2 [ label="crossprod",  shape="ellipse"]
N78 [ label="0.2",  shape="box"]
N23 [ label="(cached)",  shape="box"]
N32 [ label="(cached)",  shape="box"]
N41 [ label="(cached)",  shape="box"]
N50 [ label="(cached)",  shape="box"]
N59 [ label="(cached)",  shape="box"]
N72 [ label="(cached)",  shape="box"]
}