Created
May 19, 2015 04:21
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grafica arbol
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| library("igraph") | |
| num_layer = 7 | |
| num_nodes = (num_layer+1)*num_layer/2 | |
| M <-matrix(rep(0,num_nodes*num_nodes),nrow=num_nodes,ncol=num_nodes) | |
| layout <- matrix(rep(0, 2*num_nodes), nrow=num_nodes) | |
| node = 0 | |
| for(layer in 1:num_layer){ | |
| for(rel_node in 1:layer){ | |
| node = node+1 | |
| if(layer < num_layer) { | |
| M[node, node + layer] = 1 | |
| M[node, node + layer + 1] = 1 | |
| } | |
| layout[node, 1] = layer | |
| layout[node, 2] = 0.5*layer - rel_node + 0.5 | |
| } | |
| } | |
| layout | |
| g = graph.adjacency(M) | |
| plot(g, layout = layout) |
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