digraph G {
N1 -> N2
N1 -> N78
#N15 -> N16
#N15 -> N17
#N15 -> N18
#N14 -> N15
#N14 -> N18
#N14 -> N20
N12 -> N13
N12 -> N14
N11 -> N12
N11 -> N21
N10 -> N11
#N10 -> N18
#N9 -> N10
N24 -> N21
N24 -> N13
N23 -> N24
N8 -> N10
N8 -> N23
N29 -> N30
N29 -> N14
N28 -> N29
N28 -> N21
N27 -> N28
#N27 -> N18
#N26 -> N27
N33 -> N21
N33 -> N30
N32 -> N33
N25 -> N27
N25 -> N32
N38 -> N39
N38 -> N14
N37 -> N38
N37 -> N21
N36 -> N37
#N36 -> N18
#N35 -> N36
N42 -> N21
N42 -> N39
N41 -> N42
N34 -> N36
N34 -> N41
N47 -> N48
N47 -> N14
N46 -> N47
N46 -> N21
N45 -> N46
#N45 -> N18
#N44 -> N45
N51 -> N21
N51 -> N48
N50 -> N51
N43 -> N45
N43 -> N50
N56 -> N57
N56 -> N14
N55 -> N56
N55 -> N21
N54 -> N55
#N54 -> N18
#N53 -> N54
N60 -> N21
N60 -> N57
N59 -> N60
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
#N64 -> N65
N72 -> N67
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="p",  shape="box"]
N11 [ label="*",  shape="parallelogram"]
N10 [ label="colSums",  shape="ellipse"]
#N9 [ label="attr",  shape="parallelogram"]
N24 [ label="*",  shape="parallelogram"]
N23 [ label="sum",  shape="ellipse"]
N8 [ label="/",  shape="parallelogram"]
N30 [ label="wts[,2]",  shape="box"]
N29 [ label="*",  shape="parallelogram"]
N28 [ label="*",  shape="parallelogram"]
N27 [ label="colSums",  shape="ellipse"]
#N26 [ label="attr",  shape="parallelogram"]
N33 [ label="*",  shape="parallelogram"]
N32 [ label="sum",  shape="ellipse"]
N25 [ label="/",  shape="parallelogram"]
N39 [ label="wts[,3]",  shape="box"]
N38 [ label="*",  shape="parallelogram"]
N37 [ label="*",  shape="parallelogram"]
N36 [ label="colSums",  shape="ellipse"]
#N35 [ label="attr",  shape="parallelogram"]
N42 [ label="*",  shape="parallelogram"]
N41 [ label="sum",  shape="ellipse"]
N34 [ label="/",  shape="parallelogram"]
N48 [ label="wts[,4]",  shape="box"]
N47 [ label="*",  shape="parallelogram"]
N46 [ label="*",  shape="parallelogram"]
N45 [ label="colSums",  shape="ellipse"]
#N44 [ label="attr",  shape="parallelogram"]
N51 [ label="*",  shape="parallelogram"]
N50 [ label="sum",  shape="ellipse"]
N43 [ label="/",  shape="parallelogram"]
N57 [ label="wts[,5]",  shape="box"]
N56 [ label="*",  shape="parallelogram"]
N55 [ label="*",  shape="parallelogram"]
N54 [ label="colSums",  shape="ellipse"]
#N53 [ label="attr",  shape="parallelogram"]
N60 [ label="*",  shape="parallelogram"]
N59 [ label="sum",  shape="ellipse"]
N52 [ label="/",  shape="parallelogram"]
N5 [ label="repmeans",  shape="box"]
N67 [ label="rep",  shape="parallelogram"]
N66 [ label="*",  shape="parallelogram"]
N65 [ label="colSums",  shape="ellipse"]
#N64 [ label="attr",  shape="parallelogram"]
N72 [ label="sum",  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"]
}