r - Colours don't show up in diagram -


i have code should render diagrams few colours, when code in used don't see colours

df <- data.frame(col1 = c( "cat", "dog", "bird"),  col2 = c( "feline", "canis", "avis"),   stringsasfactors=false)  uniquenodes <- unique(c(df$col1, df$col2))  library(diagrammer)  cols <- setnames(rep("green", length(uniquenodes)), uniquenodes);cols["canis"]<-"red" nodes <- create_node_df(n=length(uniquenodes), nodes = seq(uniquenodes), type="number", label=uniquenodes, fillcolor=cols) edges <- create_edge_df(from=match(df$col1, uniquenodes), to=match(df$col2, uniquenodes), rel="related") g <-create_graph(nodes_df = nodes, edges_df = edges, attr_theme = null) render_graph(g)

taking same code used; need change definition of nodes 

nodes <- create_node_df(n=length(uniquenodes), nodes = seq(uniquenodes), type="number", label=uniquenodes, color=cols, style = "filled")

i deleted 1 parameter fillcolor=cols , added 2 color=cols , style="filled".


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